現已提供適用於 Red Hat Enterprise Linux 7 的 tcpdump 更新。Red Hat 產品安全性團隊已將此更新評等為具有中等安全性影響。可從〈參照〉一節的 CVE 連結中取得每個弱點之常見弱點評分系統 (CVSS) 的基本分數，其中包含有關嚴重性評等的詳細資訊。Tcpdump 套件包含可監視網路流量的 tcpdump 公用程式。Tcpdump 公用程式可擷取和顯示特定網路介面或所有介面上的封包標頭。下列套件已升級至更新的上游版本：tcpdump (4.9.0)。(BZ#1422473) 安全性修正：* 在 tcpdump 中發現多個超出邊界讀取和整數溢位弱點，影響到不同通訊協定的解碼。攻擊者可建立特製的 pcap 檔案或將特製的封包傳送到正以即時擷取模式 (無 -w) 執行 tcpdump 的網段，因而造成顯示錯誤資料、當機或進入無限迴圈。(CVE-2015-0261、CVE-2015-2153、CVE-2015-2154、CVE-2015-2155、CVE-2016-7922、CVE-2016-7923、CVE-2016-7924、CVE-2016-7925、CVE-2016-7926、CVE-2016-7927、CVE-2016-7928、CVE-2016-7929、CVE-2016-7930、CVE-2016-7931、CVE-2016-7932、CVE-2016-7933、CVE-2016-7934、CVE-2016-7935、CVE-2016-7936、CVE-2016-7937、CVE-2016-7938、CVE-2016-7939、CVE-2016-7940、CVE-2016-7973、CVE-2016-7974、CVE-2016-7975、CVE-2016-7983、CVE-2016-7984、CVE-2016-7985、CVE-2016-7986、CVE-2016-7992、CVE-2016-7993、CVE-2016-8574、CVE-2016-8575、CVE-2017-5202、CVE-2017-5203、CVE-2017-5204、CVE-2017-5205、CVE-2017-5341、CVE-2017-5342、CVE-2017-5482、CVE-2017-5483、CVE-2017-5484、CVE-2017-5485、CVE-2017-5486) Red Hat 感謝 Tcpdump 專案報告 CVE-2016-7922、CVE-2016-7923、CVE-2016-7924、CVE-2016-7925、CVE-2016-7926、CVE-2016-7927、CVE-2016-7928、CVE-2016-7929、CVE-2016-7930、CVE-2016-7931、CVE-2016-7932、CVE-2016-7933、CVE-2016-7934、CVE-2016-7935、CVE-2016-7936、CVE-2016-7937、CVE-2016-7938、CVE-2016-7939、CVE-2016-7940、CVE-2016-7973、CVE-2016-7974、CVE-2016-7975、CVE-2016-7983、CVE-2016-7984、CVE-2016-7985、CVE-2016-7986、CVE-2016-7992、CVE-2016-7993、CVE-2016-8574、CVE-2016-8575、CVE-2017-5202、CVE-2017-5203、CVE-2017-5204、CVE-2017-5205、CVE-2017-5341、CVE-2017-5342、CVE-2017-5482、CVE-2017-5483、CVE-2017-5484、CVE-2017-5485 及 CVE-2017-5486。其他變更：如需有關此發行版本的詳細變更資訊，請參閱可從〈參照〉一節連結的 Red Hat Enterprise Linux 7.4 版本資訊。

Several vulnerabilities have been discovered in tcpdump, a command-line network traffic analyzer. These vulnerabilities might result in denial of service (application crash) or, potentially, execution of arbitrary code.

Updated tcpdump package fixes security vulnerabilities :

Several vulnerabilities have been discovered in tcpdump. These vulnerabilities might result in denial of service (application crash) or, potentially, execution of arbitrary code (CVE-2015-0261, CVE-2015-2153, CVE-2015-2154, CVE-2015-2155).

Updated tcpdump package fixes security vulnerabilities :

The Tcpdump program could crash when processing a malformed OLSR payload when the verbose output flag was set (CVE-2014-8767).

The application decoder for the Ad hoc On-Demand Distance Vector (AODV) protocol in Tcpdump fails to perform input validation and performs unsafe out-of-bound accesses. The application will usually not crash, but perform out-of-bounds accesses and output/leak larger amounts of invalid data, which might lead to dropped packets. It is unknown if a payload exists that might trigger segfaults (CVE-2014-8769).

It was discovered that tcpdump incorrectly handled printing PPP packets. A remote attacker could use this issue to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code (CVE-2014-9140).

Several vulnerabilities have been discovered in tcpdump. These vulnerabilities might result in denial of service (application crash) or, potentially, execution of arbitrary code (CVE-2015-0261, CVE-2015-2153, CVE-2015-2154, CVE-2015-2155).

The following packages have been upgraded to a later upstream version:
tcpdump (4.9.0).

Security Fix(es) :

  - Multiple out of bounds read and integer overflow     vulnerabilities were found in tcpdump affecting the     decoding of various protocols. An attacker could create     a crafted pcap file or send specially crafted packets to     the network segment where tcpdump is running in live     capture mode (without -w) which could cause it to     display incorrect data, crash or enter an infinite loop.
    (CVE-2015-0261, CVE-2015-2153, CVE-2015-2154,     CVE-2015-2155, CVE-2016-7922, CVE-2016-7923,     CVE-2016-7924, CVE-2016-7925, CVE-2016-7926,     CVE-2016-7927, CVE-2016-7928, CVE-2016-7929,     CVE-2016-7930, CVE-2016-7931, CVE-2016-7932,     CVE-2016-7933, CVE-2016-7934, CVE-2016-7935,     CVE-2016-7936, CVE-2016-7937, CVE-2016-7938,     CVE-2016-7939, CVE-2016-7940, CVE-2016-7973,     CVE-2016-7974, CVE-2016-7975, CVE-2016-7983,     CVE-2016-7984, CVE-2016-7985, CVE-2016-7986,     CVE-2016-7992, CVE-2016-7993, CVE-2016-8574,     CVE-2016-8575, CVE-2017-5202, CVE-2017-5203,     CVE-2017-5204, CVE-2017-5205, CVE-2017-5341,     CVE-2017-5342, CVE-2017-5482, CVE-2017-5483,     CVE-2017-5484, CVE-2017-5485, CVE-2017-5486)

An update for tcpdump is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The tcpdump packages contain the tcpdump utility for monitoring network traffic. The tcpdump utility can capture and display the packet headers on a particular network interface or on all interfaces.

The following packages have been upgraded to a later upstream version:
tcpdump (4.9.0). (BZ#1422473)

Security Fix(es) :

* Multiple out of bounds read and integer overflow vulnerabilities were found in tcpdump affecting the decoding of various protocols. An attacker could create a crafted pcap file or send specially crafted packets to the network segment where tcpdump is running in live capture mode (without -w) which could cause it to display incorrect data, crash or enter an infinite loop. (CVE-2015-0261, CVE-2015-2153, CVE-2015-2154, CVE-2015-2155, CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925, CVE-2016-7926, CVE-2016-7927, CVE-2016-7928, CVE-2016-7929, CVE-2016-7930, CVE-2016-7931, CVE-2016-7932, CVE-2016-7933, CVE-2016-7934, CVE-2016-7935, CVE-2016-7936, CVE-2016-7937, CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973, CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984, CVE-2016-7985, CVE-2016-7986, CVE-2016-7992, CVE-2016-7993, CVE-2016-8574, CVE-2016-8575, CVE-2017-5202, CVE-2017-5203, CVE-2017-5204, CVE-2017-5205, CVE-2017-5341, CVE-2017-5342, CVE-2017-5482, CVE-2017-5483, CVE-2017-5484, CVE-2017-5485, CVE-2017-5486)

Red Hat would like to thank the Tcpdump project for reporting CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925, CVE-2016-7926, CVE-2016-7927, CVE-2016-7928, CVE-2016-7929, CVE-2016-7930, CVE-2016-7931, CVE-2016-7932, CVE-2016-7933, CVE-2016-7934, CVE-2016-7935, CVE-2016-7936, CVE-2016-7937, CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973, CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984, CVE-2016-7985, CVE-2016-7986, CVE-2016-7992, CVE-2016-7993, CVE-2016-8574, CVE-2016-8575, CVE-2017-5202, CVE-2017-5203, CVE-2017-5204, CVE-2017-5205, CVE-2017-5341, CVE-2017-5342, CVE-2017-5482, CVE-2017-5483, CVE-2017-5484, CVE-2017-5485, and CVE-2017-5486.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.4 Release Notes linked from the References section.

This update for tcpdump to version 4.9.0 and libpcap to version 1.8.1 fixes the several issues.

These security issues were fixed in tcpdump :

  - CVE-2016-7922: The AH parser in tcpdump had a buffer     overflow in print-ah.c:ah_print() (bsc#1020940).

  - CVE-2016-7923: The ARP parser in tcpdump had a buffer     overflow in print-arp.c:arp_print() (bsc#1020940).

  - CVE-2016-7924: The ATM parser in tcpdump had a buffer     overflow in print-atm.c:oam_print() (bsc#1020940).

  - CVE-2016-7925: The compressed SLIP parser in tcpdump had     a buffer overflow in print-sl.c:sl_if_print()     (bsc#1020940).

  - CVE-2016-7926: The Ethernet parser in tcpdump had a     buffer overflow in print-ether.c:ethertype_print()     (bsc#1020940).

  - CVE-2016-7927: The IEEE 802.11 parser in tcpdump had a     buffer overflow in     print-802_11.c:ieee802_11_radio_print() (bsc#1020940).

  - CVE-2016-7928: The IPComp parser in tcpdump had a buffer     overflow in print-ipcomp.c:ipcomp_print() (bsc#1020940).

  - CVE-2016-7929: The Juniper PPPoE ATM parser in tcpdump     had a buffer overflow in     print-juniper.c:juniper_parse_header() (bsc#1020940).

  - CVE-2016-7930: The LLC/SNAP parser in tcpdump had a     buffer overflow in print-llc.c:llc_print()     (bsc#1020940).

  - CVE-2016-7931: The MPLS parser in tcpdump had a buffer     overflow in print-mpls.c:mpls_print() (bsc#1020940).

  - CVE-2016-7932: The PIM parser in tcpdump had a buffer     overflow in print-pim.c:pimv2_check_checksum()     (bsc#1020940).

  - CVE-2016-7933: The PPP parser in tcpdump had a buffer     overflow in print-ppp.c:ppp_hdlc_if_print()     (bsc#1020940).

  - CVE-2016-7934: The RTCP parser in tcpdump had a buffer     overflow in print-udp.c:rtcp_print() (bsc#1020940).

  - CVE-2016-7935: The RTP parser in tcpdump had a buffer     overflow in print-udp.c:rtp_print() (bsc#1020940).

  - CVE-2016-7936: The UDP parser in tcpdump had a buffer     overflow in print-udp.c:udp_print() (bsc#1020940).

  - CVE-2016-7937: The VAT parser in tcpdump had a buffer     overflow in print-udp.c:vat_print() (bsc#1020940).

  - CVE-2016-7938: The ZeroMQ parser in tcpdump had an     integer overflow in print-zeromq.c:zmtp1_print_frame()     (bsc#1020940).

  - CVE-2016-7939: The GRE parser in tcpdump had a buffer     overflow in print-gre.c, multiple functions     (bsc#1020940).

  - CVE-2016-7940: The STP parser in tcpdump had a buffer     overflow in print-stp.c, multiple functions     (bsc#1020940).

  - CVE-2016-7973: The AppleTalk parser in tcpdump had a     buffer overflow in print-atalk.c, multiple functions     (bsc#1020940).

  - CVE-2016-7974: The IP parser in tcpdump had a buffer     overflow in print-ip.c, multiple functions     (bsc#1020940).

  - CVE-2016-7975: The TCP parser in tcpdump had a buffer     overflow in print-tcp.c:tcp_print() (bsc#1020940).

  - CVE-2016-7983: The BOOTP parser in tcpdump had a buffer     overflow in print-bootp.c:bootp_print() (bsc#1020940).

  - CVE-2016-7984: The TFTP parser in tcpdump had a buffer     overflow in print-tftp.c:tftp_print() (bsc#1020940).

  - CVE-2016-7985: The CALM FAST parser in tcpdump had a     buffer overflow in print-calm-fast.c:calm_fast_print()     (bsc#1020940).

  - CVE-2016-7986: The GeoNetworking parser in tcpdump had a     buffer overflow in print-geonet.c, multiple functions     (bsc#1020940).

  - CVE-2016-7992: The Classical IP over ATM parser in     tcpdump had a buffer overflow in     print-cip.c:cip_if_print() (bsc#1020940).

  - CVE-2016-7993: A bug in util-print.c:relts_print() in     tcpdump could cause a buffer overflow in multiple     protocol parsers (DNS, DVMRP, HSRP, IGMP, lightweight     resolver protocol, PIM) (bsc#1020940).

  - CVE-2016-8574: The FRF.15 parser in tcpdump had a buffer     overflow in print-fr.c:frf15_print() (bsc#1020940).

  - CVE-2016-8575: The Q.933 parser in tcpdump had a buffer     overflow in print-fr.c:q933_print(), a different     vulnerability than CVE-2017-5482 (bsc#1020940).

  - CVE-2017-5202: The ISO CLNS parser in tcpdump had a     buffer overflow in print-isoclns.c:clnp_print()     (bsc#1020940).

  - CVE-2017-5203: The BOOTP parser in tcpdump had a buffer     overflow in print-bootp.c:bootp_print() (bsc#1020940).

  - CVE-2017-5204: The IPv6 parser in tcpdump had a buffer     overflow in print-ip6.c:ip6_print() (bsc#1020940).

  - CVE-2017-5205: The ISAKMP parser in tcpdump had a buffer     overflow in print-isakmp.c:ikev2_e_print()     (bsc#1020940).

  - CVE-2017-5341: The OTV parser in tcpdump had a buffer     overflow in print-otv.c:otv_print() (bsc#1020940).

  - CVE-2017-5342: In tcpdump a bug in multiple protocol     parsers (Geneve, GRE, NSH, OTV, VXLAN and VXLAN GPE)     could cause a buffer overflow in     print-ether.c:ether_print() (bsc#1020940).

  - CVE-2017-5482: The Q.933 parser in tcpdump had a buffer     overflow in print-fr.c:q933_print(), a different     vulnerability than CVE-2016-8575 (bsc#1020940).

  - CVE-2017-5483: The SNMP parser in tcpdump had a buffer     overflow in print-snmp.c:asn1_parse() (bsc#1020940).

  - CVE-2017-5484: The ATM parser in tcpdump had a buffer     overflow in print-atm.c:sig_print() (bsc#1020940).

  - CVE-2017-5485: The ISO CLNS parser in tcpdump had a     buffer overflow in addrtoname.c:lookup_nsap()     (bsc#1020940).

  - CVE-2017-5486: The ISO CLNS parser in tcpdump had a     buffer overflow in print-isoclns.c:clnp_print()     (bsc#1020940).

  - CVE-2015-3138: Fixed potential denial of service in     print-wb.c (bsc#927637).

  - CVE-2015-0261: Integer signedness error in the     mobility_opt_print function in the IPv6 mobility printer     in tcpdump allowed remote attackers to cause a denial of     service (out-of-bounds read and crash) or possibly     execute arbitrary code via a negative length value     (bsc#922220).

  - CVE-2015-2153: The rpki_rtr_pdu_print function in     print-rpki-rtr.c in the TCP printer in tcpdump allowed     remote attackers to cause a denial of service     (out-of-bounds read or write and crash) via a crafted     header length in an RPKI-RTR Protocol Data Unit (PDU)     (bsc#922221).

  - CVE-2015-2154: The osi_print_cksum function in     print-isoclns.c in the ethernet printer in tcpdump     allowed remote attackers to cause a denial of service     (out-of-bounds read and crash) via a crafted (1) length,     (2) offset, or (3) base pointer checksum value     (bsc#922222).

  - CVE-2015-2155: The force printer in tcpdump allowed     remote attackers to cause a denial of service (crash)     and possibly execute arbitrary code via unspecified     vectors (bsc#922223).

  - CVE-2014-8767: Integer underflow in the olsr_print     function in tcpdump 3.9.6 when in verbose mode, allowed     remote attackers to cause a denial of service (crash)     via a crafted length value in an OLSR frame     (bsc#905870).

  - CVE-2014-8768: Multiple Integer underflows in the     geonet_print function in tcpdump when run in verbose     mode, allowed remote attackers to cause a denial of     service (segmentation fault and crash) via a crafted     length value in a Geonet frame (bsc#905871).

  - CVE-2014-8769: tcpdump might have allowed remote     attackers to obtain sensitive information from memory or     cause a denial of service (packet loss or segmentation     fault) via a crafted Ad hoc On-Demand Distance Vector     (AODV) packet, which triggers an out-of-bounds memory     access (bsc#905872).

These non-security issues were fixed in tcpdump :

  - PPKI to Router Protocol: Fix Segmentation Faults and     other problems

  - RPKI to Router Protocol: print strings with fn_printn()

  - Added a short option '#', same as long option '--number'

  - nflog, mobile, forces, pptp, AODV, AHCP, IPv6, OSPFv4,     RPL, DHCPv6 enhancements/fixes

  - M3UA decode added.

  - Added bittok2str().

  - A number of unaligned access faults fixed

  - The -A flag does not consider CR to be printable anymore

  - fx.lebail took over coverity baby sitting

  - Default snapshot size increased to 256K for accomodate     USB captures

These non-security issues were fixed in libpcap :

  - Provide a -devel-static subpackage that contains the     static libraries and all the extra dependencies which     are not needed for dynamic linking.

  - Fix handling of packet count in the TPACKET_V3 inner     loop

  - Filter out duplicate looped back CAN frames.

  - Fix the handling of loopback filters for IPv6 packets.

  - Add a link-layer header type for RDS (IEC 62106) groups.

  - Handle all CAN captures with pcap-linux.c, in cooked     mode.

  - Removes the need for the 'host-endian' link-layer header     type.

  - Have separate DLTs for big-endian and host-endian     SocketCAN headers.

  - Properly check for sock_recv() errors.

  - Re-impose some of Winsock's limitations on sock_recv().

  - Replace sprintf() with pcap_snprintf().

  - Fix signature of pcap_stats_ex_remote().

  - Have rpcap_remoteact_getsock() return a SOCKET and     supply an 'is active' flag.

  - Clean up (DAG, Septel, Myricom SNF)-only builds.

  - pcap_create_interface() needs the interface name on     Linux.

  - Clean up hardware time stamp support: the 'any' device     does not support any time stamp types.

  - Recognize 802.1ad nested VLAN tag in vlan filter.

  - Support for filtering Geneve encapsulated packets.

  - Fix handling of zones for BPF on Solaris

  - Added bpf_filter1() with extensions

  - EBUSY can now be returned by SNFv3 code.

  - Don't crash on filters testing a non-existent link-layer     type field.

  - Fix sending in non-blocking mode on Linux with     memory-mapped capture.

  - Fix timestamps when reading pcap-ng files on big-endian     machines.

  - Fixes for byte order issues with NFLOG captures

  - Handle using cooked mode for DLT_NETLINK in     activate_new().

This update was imported from the SUSE:SLE-12:Update update project.

已在命令行网络流量分析器 tcpdump 中发现多个漏洞。这些漏洞可能会导致拒绝服务（应用程序崩溃）或执行任意代码。

更新后的 tcpdump 程序包修复了安全漏洞：

已在 tcpdump 中发现多个漏洞。这些漏洞可导致拒绝服务（应用程序崩溃）或执行任意代码（CVE-2015-0261、CVE-2015-2153、CVE-2015-2154、CVE-2015-2155）。

更新后的 tcpdump 程序包修复了安全漏洞：

设置了 verbose 输出标记时，Tcpdump 程序可在处理畸形 OLSR 负载时崩溃 (CVE-2014-8767)。

Tcpdump 中临时按需距离矢量 (AODV) 协议的应用程序解码器无法执行输入验证以及不安全的越界访问。应用程序通常不会崩溃，但会执行越界访问并输出/泄漏更大量的无效数据，这样可导致数据包丢失。尚不明确是否存在可触发段错误的负载 (CVE-2014-8769)。

已发现 tcpdump 错误地处理了 PPP 数据包的打印。远程攻击者可利用此问题导致 tcpdump 崩溃，从而导致拒绝服务或执行任意代码 (CVE-2014-9140)。

已在 tcpdump 中发现多个漏洞。这些漏洞可导致拒绝服务（应用程序崩溃）或执行任意代码（CVE-2015-0261、CVE-2015-2153、CVE-2015-2154、CVE-2015-2155）。

下列程序包已升级到更新的上游版本：tcpdump (4.9.0)。安全修复：- 在 tcpdump 中发现多个越界读取和整数溢出漏洞，会影响各种协议解码。攻击者可创建构建的 pcap 文件或将特制的数据包发送至以实时截屏模式（不含 -w）运行 tcpdump 的网络段中，从而导致其显示错误数据、崩溃或进入无限循环。(CVE-2015-0261, CVE-2015-2153, CVE-2015-2154, CVE-2015-2155, CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925, CVE-2016-7926, CVE-2016-7927, CVE-2016-7928, CVE-2016-7929, CVE-2016-7930, CVE-2016-7931, CVE-2016-7932, CVE-2016-7933, CVE-2016-7934, CVE-2016-7935, CVE-2016-7936, CVE-2016-7937, CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973, CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984, CVE-2016-7985, CVE-2016-7986, CVE-2016-7992, CVE-2016-7993, CVE-2016-8574, CVE-2016-8575, CVE-2017-5202, CVE-2017-5203, CVE-2017-5204, CVE-2017-5205, CVE-2017-5341, CVE-2017-5342, CVE-2017-5482, CVE-2017-5483, CVE-2017-5484, CVE-2017-5485, CVE-2017-5486)

tcpdump 更新现可用于 Red Hat Enterprise Linux 7。Red Hat 产品安全团队将此更新评级为具有中等安全影响。可从“参考”部分中的 CVE 链接获取通用漏洞评分系统 (CVSS) 基本分数，其针对每个漏洞给出了详细的严重性等级。tcpdump 程序包中包含用作监测网络流量的 tcpdump 实用工具。tcpdump 实用工具可在特定网络接口或全部接口上捕获并显示数据包标头。下列程序包已升级到更新的上游版本：tcpdump (4.9.0)。(BZ#1422473) 安全修复：* 在 tcpdump 中发现多个越界读取和整数溢出漏洞，会影响各种协议解码。攻击者可创建构建的 pcap 文件或将特制的数据包发送至以实时截屏模式（不含 -w）运行 tcpdump 的网络段中，从而导致其显示错误数据、崩溃或进入无限循环。(CVE-2015-0261, CVE-2015-2153, CVE-2015-2154, CVE-2015-2155, CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925, CVE-2016-7926, CVE-2016-7927, CVE-2016-7928, CVE-2016-7929, CVE-2016-7930, CVE-2016-7931, CVE-2016-7932, CVE-2016-7933, CVE-2016-7934, CVE-2016-7935, CVE-2016-7936, CVE-2016-7937, CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973, CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984, CVE-2016-7985, CVE-2016-7986, CVE-2016-7992, CVE-2016-7993, CVE-2016-8574, CVE-2016-8575, CVE-2017-5202, CVE-2017-5203, CVE-2017-5204, CVE-2017-5205, CVE-2017-5341, CVE-2017-5342, CVE-2017-5482, CVE-2017-5483, CVE-2017-5484, CVE-2017-5485, CVE-2017-5486) Red Hat 在此感谢 Tcpdump 项目报告 CVE-2016-7922、CVE-2016-7923、CVE-2016-7924、CVE-2016-7925、CVE-2016-7926、CVE-2016-7927、CVE-2016-7928、CVE-2016-7929、CVE-2016-7930、CVE-2016-7931、CVE-2016-7932、CVE-2016-7933、CVE-2016-7934、CVE-2016-7935、CVE-2016-7936、CVE-2016-7937、CVE-2016-7938、CVE-2016-7939、CVE-2016-7940、CVE-2016-7973、CVE-2016-7974、CVE-2016-7975、CVE-2016-7983、CVE-2016-7984、CVE-2016-7985、CVE-2016-7986、CVE-2016-7992、CVE-2016-7993、CVE-2016-8574、CVE-2016-8575、CVE-2017-5202、CVE-2017-5203、CVE-2017-5204、CVE-2017-5205、CVE-2017-5341、CVE-2017-5342、CVE-2017-5482、CVE-2017-5483、CVE-2017-5484、CVE-2017-5485 和 CVE-2017-5486。其他更改：如需有关此发行版本的详细变更信息，请参阅可从“参考”部分链接的 Red Hat Enterprise Linux 7.4 发行说明。

ID	名稱	產品	系列	已發布	已更新	嚴重性
102742	CentOS 7：tcpdump (CESA-2017:1871)	Nessus	CentOS Local Security Checks	2017/8/25	2021/1/4	critical
81899	Debian DSA-3193-1 : tcpdump - security update	Nessus	Debian Local Security Checks	2015/3/18	2021/1/11	high
82457	Mandriva Linux Security Advisory : tcpdump (MDVSA-2015:182)	Nessus	Mandriva Local Security Checks	2015/3/31	2021/1/14	high
82378	Mandriva Linux Security Advisory : tcpdump (MDVSA-2015:125)	Nessus	Mandriva Local Security Checks	2015/3/30	2021/1/14	high
102657	Scientific Linux Security Update : tcpdump on SL7.x x86_64 (20170801)	Nessus	Scientific Linux Local Security Checks	2017/8/22	2021/1/14	critical
102742	CentOS 7 : tcpdump (CESA-2017:1871)	Nessus	CentOS Local Security Checks	2017/8/25	2021/1/4	critical
100040	openSUSE Security Update : tcpdump / libpcap (openSUSE-2017-557)	Nessus	SuSE Local Security Checks	2017/5/9	2021/1/19	critical
81899	Debian DSA-3193-1：tcpdump - 安全更新	Nessus	Debian Local Security Checks	2015/3/18	2021/1/11	high
82457	Mandriva Linux 安全公告：tcpdump (MDVSA-2015:182)	Nessus	Mandriva Local Security Checks	2015/3/31	2021/1/14	high
82378	Mandriva Linux 安全公告：tcpdump (MDVSA-2015:125)	Nessus	Mandriva Local Security Checks	2015/3/30	2021/1/14	high
102657	Scientific Linux 安全更新：SL7.x x86_64 上的 tcpdump	Nessus	Scientific Linux Local Security Checks	2017/8/22	2021/1/14	critical
102742	CentOS 7 : tcpdump (CESA-2017:1871)	Nessus	CentOS Local Security Checks	2017/8/25	2021/1/4	critical

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