William Robinet 和 Michal Zalewski 在 TIFF 库及其工具中发现多种漏洞，如果处理畸形的 TIFF 文件，这可导致拒绝服务或任意代码执行。

libtiff 更新现可用于 Red Hat Enterprise Linux 6。

Red Hat 产品安全团队将此更新评级为具有重要安全影响。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。

libtiff 程序包包含用于操纵标记图像文件格式 (TIFF) 文件的函数库。

安全补丁：

* 在 libtiff 中发现多种缺陷。远程攻击者可利用这些缺陷，诱骗与 libtiff 链接的应用程序处理特别构建的文件，造成崩溃或内存损坏，且可能执行任意代码。
（CVE-2014-9655、CVE-2015-1547、CVE-2015-8784、CVE-2015-8683、CVE-2015-8665、CVE-2015-8781、CVE-2015-8782、CVE-2015-8783、CVE-2016-3990、CVE-2016-5320）

* 在多种 libtiff 工具（bmp2tiff、pal2rgb、thumbnail、tiff2bw、tiff2pdf、tiffcrop、tiffdither、tiffsplit、tiff2rgba）中发现多种缺陷。远程攻击者可诱骗用户处理特别构建的文件，进而利用这些缺陷，造成崩溃或内存损坏，且可能以运行 libtiff 工具的用户的权限执行任意代码。
（CVE-2014-8127、CVE-2014-8129、CVE-2014-8130、CVE-2014-9330、CVE-2015-7554、CVE-2015-8668、CVE-2016-3632、CVE-2016-3945、CVE-2016-3991）

在 libtiff 中发现多种缺陷。远程攻击者可利用这些缺陷，诱骗与 libtiff 链接的应用程序处理特别构建的文件，造成崩溃或内存损坏，且可能执行任意代码。
（CVE-2014-9655、CVE-2015-1547、CVE-2015-8784、CVE-2015-8683、CVE-2015-8665、CVE-2015-8781、CVE-2015-8782、CVE-2015-8783、CVE-2016-3990、CVE-2016-5320）

在多种 libtiff 工具（bmp2tiff、pal2rgb、thumbnail、tiff2bw、tiff2pdf、tiffcrop、tiffdither、tiffsplit、tiff2rgba）中发现多种缺陷。远程攻击者可诱骗用户处理特别构建的文件，进而利用这些缺陷，造成崩溃或内存损坏，且可能以运行 libtiff 工具的用户的权限执行任意代码。
（CVE-2014-8127、CVE-2014-8129、CVE-2014-8130、CVE-2014-9330、CVE-2015-7554、CVE-2015-8668、CVE-2016-3632、CVE-2016-3945、CVE-2016-3991）

远程主机受到 GLSA-201701-16 中所述漏洞的影响（libTIFF：多个漏洞）在 libTIFF 中发现多个漏洞。请检查引用的 CVE 标识符和缺陷报告以了解详细信息。影响：远程攻击者可引诱用户处理特别构建的图像文件，这可能导致以进程权限执行任意代码或拒绝服务情况。解决方法：目前无任何已知的解决方法。

According to the versions of the libtiff package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - Heap-based buffer overflow in the readgifimage function     in the gif2tiff tool in libtiff 4.0.3 and earlier     allows remote attackers to cause a denial of service     (crash) and possibly execute arbitrary code via a     crafted height and width values in a GIF     image.(CVE-2013-4243)

  - Integer overflow in tools/bmp2tiff.c in LibTIFF before     4.0.4 allows remote attackers to cause a denial of     service (heap-based buffer over-read), or possibly     obtain sensitive information from process memory, via     crafted width and length values in RLE4 or RLE8 data in     a BMP file.(CVE-2015-8870)

  - LibTIFF 4.0.3 allows remote attackers to cause a denial     of service (out-of-bounds read and crash) via a crafted     TIFF image to the (1) checkInkNamesString function in     tif_dir.c in the thumbnail tool, (2) compresscontig     function in tiff2bw.c in the tiff2bw tool, (3)     putcontig8bitCIELab function in tif_getimage.c in the     tiff2rgba tool, LZWPreDecode function in tif_lzw.c in     the (4) tiff2ps or (5) tiffdither tool, (6) NeXTDecode     function in tif_next.c in the tiffmedian tool, or (7)     TIFFWriteDirectoryTagLongLong8Array function in     tif_dirwrite.c in the tiffset tool.(CVE-2014-8127)

  - Use-after-free vulnerability in the     t2p_readwrite_pdf_image function in tools/tiff2pdf.c in     libtiff 4.0.3 allows remote attackers to cause a denial     of service (crash) or possibly execute arbitrary code     via a crafted TIFF image.(CVE-2013-4232)

  - Integer overflow in the writeBufferToSeparateStrips     function in tiffcrop.c in LibTIFF before 4.0.7 allows     remote attackers to cause a denial of service     (out-of-bounds read) via a crafted tif     file.(CVE-2016-9532)

  - Multiple integer overflows in the (1) cvt_by_strip and     (2) cvt_by_tile functions in the tiff2rgba tool in     LibTIFF 4.0.6 and earlier, when -b mode is enabled,     allow remote attackers to cause a denial of service     (crash) or execute arbitrary code via a crafted TIFF     image, which triggers an out-of-bounds     write.(CVE-2016-3945)

  - The (1) putcontig8bitYCbCr21tile function in     tif_getimage.c or (2) NeXTDecode function in tif_next.c     in LibTIFF allows remote attackers to cause a denial of     service (uninitialized memory access) via a crafted     TIFF image, as demonstrated by libtiff-cvs-1.tif and     libtiff-cvs-2.tif.(CVE-2014-9655)

  - A flaw was discovered in the bmp2tiff utility. By     tricking a user into processing a specially crafted     file, a remote attacker could exploit this flaw to     cause a crash or memory corruption and, possibly,     execute arbitrary code with the privileges of the user     running the libtiff tool.(CVE-2014-9330)

  - The TIFFReadRawStrip1 and TIFFReadRawTile1 functions in     tif_read.c in libtiff before 4.0.7 allows remote     attackers to cause a denial of service (crash) or     possibly obtain sensitive information via a negative     index in a file-content buffer.(CVE-2016-6223)

  - The _TIFFmalloc function in tif_unix.c in LibTIFF 4.0.3     does not reject a zero size, which allows remote     attackers to cause a denial of service (divide-by-zero     error and application crash) via a crafted TIFF image     that is mishandled by the TIFFWriteScanline function in     tif_write.c, as demonstrated by     tiffdither.(CVE-2014-8130)

  - Heap-based buffer overflow in the     t2p_process_jpeg_strip function in tiff2pdf in libtiff     4.0.3 and earlier allows remote attackers to cause a     denial of service (crash) and possibly execute     arbitrary code via a crafted TIFF image     file.(CVE-2013-1960)

  - Stack-based buffer overflow in the t2p_write_pdf_page     function in tiff2pdf in libtiff before 4.0.3 allows     remote attackers to cause a denial of service     (application crash) via a crafted image length and     resolution in a TIFF image file.(CVE-2013-1961)

  - Heap-based buffer overflow in the loadImage function in     the tiffcrop tool in LibTIFF 4.0.6 and earlier allows     remote attackers to cause a denial of service     (out-of-bounds write) or execute arbitrary code via a     crafted TIFF image with zero tiles.(CVE-2016-3991)

  - Heap-based buffer overflow in the horizontalDifference8     function in tif_pixarlog.c in LibTIFF 4.0.6 and earlier     allows remote attackers to cause a denial of service     (crash) or execute arbitrary code via a crafted TIFF     image to tiffcp.(CVE-2016-3990)

  - LibTIFF 4.0.3 allows remote attackers to cause a denial     of service (out-of-bounds write) or possibly have     unspecified other impact via a crafted TIFF image, as     demonstrated by failure of tif_next.c to verify that     the BitsPerSample value is 2, and the     t2p_sample_lab_signed_to_unsigned function in     tiff2pdf.c.(CVE-2014-8129)

  - The LZW decompressor in the gif2tiff tool in libtiff     4.0.3 and earlier allows context-dependent attackers to     cause a denial of service (out-of-bounds write and     crash) or possibly execute arbitrary code via a crafted     GIF image.(CVE-2013-4244)

  - The _TIFFVGetField function in tif_dirinfo.c in LibTIFF     4.0.6 and earlier allows remote attackers to cause a     denial of service (out-of-bounds write) or execute     arbitrary code via a crafted TIFF image.(CVE-2016-3632)

  - The NeXTDecode function in tif_next.c in LibTIFF allows     remote attackers to cause a denial of service     (uninitialized memory access) via a crafted TIFF image,     as demonstrated by libtiff5.tif.(CVE-2015-1547)

  - In LibTIFF 4.0.9, there is a NULL pointer dereference     in the TIFFWriteDirectorySec function in tif_dirwrite.c     that will lead to a denial of service attack, as     demonstrated by tiffset.(CVE-2018-19210)

  - The TIFFFdOpen function in tif_unix.c in LibTIFF 4.0.10     has a memory leak, as demonstrated by     pal2rgb.(CVE-2019-6128)

  - An Invalid Address dereference was discovered in     TIFFWriteDirectoryTagTransferfunction in     libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the     cpSeparateBufToContigBuf function in tiffcp.c. Remote     attackers could leverage this vulnerability to cause a     denial-of-service via a crafted tiff file. This is     different from CVE-2018-12900.(CVE-2019-7663)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

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

Red Hat Product Security has rated this update as having a security impact of Important. 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 libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.

Security Fix(es) :

* Multiple flaws have been discovered in libtiff. A remote attacker could exploit these flaws to cause a crash or memory corruption and, possibly, execute arbitrary code by tricking an application linked against libtiff into processing specially crafted files.
(CVE-2014-9655, CVE-2015-1547, CVE-2015-8784, CVE-2015-8683, CVE-2015-8665, CVE-2015-8781, CVE-2015-8782, CVE-2015-8783, CVE-2016-3990, CVE-2016-5320)

* Multiple flaws have been discovered in various libtiff tools (bmp2tiff, pal2rgb, thumbnail, tiff2bw, tiff2pdf, tiffcrop, tiffdither, tiffsplit, tiff2rgba). By tricking a user into processing a specially crafted file, a remote attacker could exploit these flaws to cause a crash or memory corruption and, possibly, execute arbitrary code with the privileges of the user running the libtiff tool.
(CVE-2014-8127, CVE-2014-8129, CVE-2014-8130, CVE-2014-9330, CVE-2015-7554, CVE-2015-8668, CVE-2016-3632, CVE-2016-3945, CVE-2016-3991)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-1546 advisory.

    - Add patches for CVEs:
      CVE-2015-7554, CVE-2015-8683, CVE-2015-8665,       CVE-2015-8781, CVE-2015-8782, CVE-2015-8783,       CVE-2015-8784
    - Update patches for CVEs:
      CVE-2014-8127, CVE-2014-8130
    - Update patches:
      CVE-2014-9330, CVE-2014-8127, CVE-2014-8129       CVE-2014-8130
    - Update patch for CVE-2015-8668
    - Remove patches for CVEs:
      CVE-2014-8127, CVE-2014-8129, CVE-2014-8130,       CVE-2014-9330, CVE-2015-7554, CVE-2015-8665,       CVE-2015-8683, CVE-2015-8781, CVE-2015-8784
    - Add patches for CVEs:
      CVE-2016-3632, CVE-2016-3945, CVE-2016-3990,       CVE-2016-3991, CVE-2016-5320
    - Update patches for CVEs:
      CVE-2014-9655, CVE-2015-1547, CVE-2015-8668
    - CVE-2014-8127 should contain only two fixes
    - Revert previous patch CVE-2014-8127
    - Fix patch CVE-2014-8127. Wrongly applied
    - Fix patch CVE-2015-8668. Wrongly applied by me
    - CVE-2014-8127, CVE-2014-8129, CVE-2014-8130
    - CVE-2014-9330, CVE-2014-9655, CVE-2015-8781
    - CVE-2015-8784, CVE-2015-1547, CVE-2015-8683
    - CVE-2015-8665, CVE-2015-7554, CVE-2015-8668

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-1547 advisory.

    - Update patch for CVE-2014-8127
    - Fix patches for CVE-2016-3990 and CVE-2016-5320
    - CVE-2016-3632 CVE-2016-3945 CVE-2016-3990
    - CVE-2016-3991 CVE-2016-5320
    - Update patch for CVE-2014-8129
    - CVE-2013-1960 CVE-2013-1961 CVE-2013-4231
    - CVE-2013-4232 CVE-2013-4243 CVE-2013-4244
    - Patch typos in CVE-2014-8127
    - Fix CVE-2014-8127 and CVE-2015-8668 patches

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote OracleVM system is missing necessary patches to address critical security updates :

  - Update patch for (CVE-2014-8127)

  - Related: #1335099

  - Fix patches for (CVE-2016-3990, CVE-2016-5320)

  - Related: #1335099

  - Add patches for CVEs :

  - CVE-2016-3632 CVE-2016-3945 (CVE-2016-3990)

  - CVE-2016-3991 (CVE-2016-5320)

  - Related: #1335099

  - Update patch for (CVE-2014-8129)

  - Related: #1335099

  - Merge previously released fixes for CVEs :

  - CVE-2013-1960 CVE-2013-1961 (CVE-2013-4231)

  - CVE-2013-4232 CVE-2013-4243 (CVE-2013-4244)

  - Resolves: #1335099

  - Patch typos in (CVE-2014-8127)

  - Related: #1299919

  - Fix CVE-2014-8127 and CVE-2015-8668 patches

  - Related: #1299919

  - Fixed patches on preview CVEs

  - Related: #1299919

  - This resolves several CVEs

  - CVE-2014-8127, CVE-2014-8129, (CVE-2014-8130)

  - CVE-2014-9330, CVE-2014-9655, (CVE-2015-8781)

  - CVE-2015-8784, CVE-2015-1547, (CVE-2015-8683)

  - CVE-2015-8665, CVE-2015-7554, (CVE-2015-8668)

  - Resolves: #1299919

According to the versions of the libtiff packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Multiple flaws have been discovered in libtiff. A     remote attacker could exploit these flaws to cause a     crash or memory corruption and, possibly, execute     arbitrary code by tricking an application linked     against libtiff into processing specially crafted     files.(CVE-2014-9655, CVE-2015-1547, CVE-2015-8784,     CVE-2015-8683, CVE-2015-8665, CVE-2015-8781,     CVE-2015-8782, CVE-2015-8783, CVE-2016-3990,     CVE-2016-5320)

  - Multiple flaws have been discovered in various libtiff     tools (bmp2tiff, pal2rgb, thumbnail, tiff2bw, tiff2pdf,     tiffcrop, tiffdither, tiffsplit, tiff2rgba). By     tricking a user into processing a specially crafted     file, a remote attacker could exploit these flaws to     cause a crash or memory corruption and, possibly,     execute arbitrary code with the privileges of the user     running the libtiff tool.(CVE-2014-8127, CVE-2014-8129,     CVE-2014-8130, CVE-2014-9330, CVE-2015-7554,     CVE-2015-8668, CVE-2016-3632, CVE-2016-3945,     CVE-2016-3991)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

libtiff 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重要安全影响。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。

libtiff 程序包包含用于操纵标记图像文件格式 (TIFF) 文件的函数库。

安全补丁：

* 在 libtiff 中发现多种缺陷。远程攻击者可利用这些缺陷，诱骗与 libtiff 链接的应用程序处理特别构建的文件，造成崩溃或内存损坏，且可能执行任意代码。
（CVE-2014-9655、CVE-2015-1547、CVE-2015-8784、CVE-2015-8683、CVE-2015-8665、CVE-2015-8781、CVE-2015-8782、CVE-2015-8783、CVE-2016-3990、CVE-2016-5320）

* 在多种 libtiff 工具（bmp2tiff、pal2rgb、thumbnail、tiff2bw、tiff2pdf、tiffcrop、tiffdither、tiffsplit、tiff2rgba）中发现多种缺陷。远程攻击者可诱骗用户处理特别构建的文件，进而利用这些缺陷，造成崩溃或内存损坏，且可能以运行 libtiff 工具的用户的权限执行任意代码。
（CVE-2014-8127、CVE-2014-8129、CVE-2014-8130、CVE-2014-9330、CVE-2015-7554、CVE-2015-8668、CVE-2016-3632、CVE-2016-3945、CVE-2016-3991）

来自 Red Hat 安全公告 2016:1546：

libtiff 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重要安全影响。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。

libtiff 程序包包含用于操纵标记图像文件格式 (TIFF) 文件的函数库。

安全补丁：

* 在 libtiff 中发现多种缺陷。远程攻击者可利用这些缺陷，诱骗与 libtiff 链接的应用程序处理特别构建的文件，造成崩溃或内存损坏，且可能执行任意代码。
（CVE-2014-9655、CVE-2015-1547、CVE-2015-8784、CVE-2015-8683、CVE-2015-8665、CVE-2015-8781、CVE-2015-8782、CVE-2015-8783、CVE-2016-3990、CVE-2016-5320）

* 在多种 libtiff 工具（bmp2tiff、pal2rgb、thumbnail、tiff2bw、tiff2pdf、tiffcrop、tiffdither、tiffsplit、tiff2rgba）中发现多种缺陷。远程攻击者可诱骗用户处理特别构建的文件，进而利用这些缺陷，造成崩溃或内存损坏，且可能以运行 libtiff 工具的用户的权限执行任意代码。
（CVE-2014-8127、CVE-2014-8129、CVE-2014-8130、CVE-2014-9330、CVE-2015-7554、CVE-2015-8668、CVE-2016-3632、CVE-2016-3945、CVE-2016-3991）

远程 Oracle Linux 6 主机上安装的程序包受到 ELSA-2016-1547 公告中提及的多个漏洞的影响。

    - 的更新修补程序 CVE-2014-8127
    - 修复 CVE-2016-3990 和 CVE-2016-5320的修补程序
    - CVE-2016-3632 CVE-2016-3945 CVE-2016-3990
    - CVE-2016-3991 CVE-2016-5320
    - 的更新修补程序 CVE-2014-8129
    - CVE-2013-1960 CVE-2013-1961 CVE-2013-4231
    - CVE-2013-4232 CVE-2013-4243 CVE-2013-4244
    - 修补 中的拼写错误 CVE-2014-8127
    - 修复 CVE-2014-8127 和 CVE-2015-8668 修补程序

Tenable 已直接从 Oracle Linux 安全公告中提取上述描述块。

请注意，Nessus 尚未测试这些问题，而是只依据应用程序自我报告的版本号进行判断。

远程 OracleVM 系统缺少必要修补程序来解决关键安全更新：

- 更新 (CVE-2014-8127) 的修补程序

- 相关：#1335099

-（CVE-2016-3990、CVE-2016-5320）的修复补丁

- 相关：#1335099

- 添加针对 CVE 的修补程序：

- CVE-2016-3632 CVE-2016-3945 (CVE-2016-3990)

- CVE-2016-3991 (CVE-2016-5320)

- 相关：#1335099

- 更新 (CVE-2014-8129) 的修补程序

- 相关：#1335099

- 合并之前针对 CVE 发布的补丁：

- CVE-2013-1960 CVE-2013-1961 (CVE-2013-4231)

- CVE-2013-4232 CVE-2013-4243 (CVE-2013-4244)

- 解决了：#1335099

- 修补 (CVE-2014-8127) 中的拼写错误

- 相关：#1299919

- 修复 CVE-2014-8127 和 CVE-2015-8668 修补程序

- 相关：#1299919

- 修复预览 CVE 的修补程序

- 相关：#1299919

- 此项目解决了多个 CVE

- CVE-2014-8127、CVE-2014-8129、(CVE-2014-8130)

- CVE-2014-9330、CVE-2014-9655、(CVE-2015-8781)

- CVE-2015-8784、CVE-2015-1547、(CVE-2015-8683)

- CVE-2015-8665、CVE-2015-7554、(CVE-2015-8668)

- 解决了：#1299919

ID	名稱	產品	系列	已發布	已更新	嚴重性
83820	Debian DSA-3273-1：tiff - 安全更新	Nessus	Debian Local Security Checks	2015/5/27	2021/1/11	high
92682	CentOS 6：libtiff (CESA-2016:1547)	Nessus	CentOS Local Security Checks	2016/8/3	2021/1/4	critical
93011	Amazon Linux AMI：libtiff (ALAS-2016-733)	Nessus	Amazon Linux Local Security Checks	2016/8/18	2019/7/10	critical
96373	GLSA-201701-16 : libTIFF：多个漏洞	Nessus	Gentoo Local Security Checks	2017/1/10	2021/1/11	critical
124940	EulerOS Virtualization 3.0.1.0 : libtiff (EulerOS-SA-2019-1437)	Nessus	Huawei Local Security Checks	2019/5/14	2024/5/23	critical
92681	CentOS 7 : libtiff (CESA-2016:1546)	Nessus	CentOS Local Security Checks	2016/8/3	2021/1/4	critical
92689	Oracle Linux 7 : libtiff (ELSA-2016-1546)	Nessus	Oracle Linux Local Security Checks	2016/8/3	2024/11/1	critical
92690	Oracle Linux 6 : libtiff (ELSA-2016-1547)	Nessus	Oracle Linux Local Security Checks	2016/8/3	2025/4/29	critical
92691	OracleVM 3.3 / 3.4 : libtiff (OVMSA-2016-0093)	Nessus	OracleVM Local Security Checks	2016/8/3	2021/1/4	critical
99797	EulerOS 2.0 SP1 : libtiff (EulerOS-SA-2016-1034)	Nessus	Huawei Local Security Checks	2017/5/1	2021/4/19	critical
92681	CentOS 7：libtiff (CESA-2016:1546)	Nessus	CentOS Local Security Checks	2016/8/3	2021/1/4	critical
92689	Oracle Linux 7：libtiff (ELSA-2016-1546)	Nessus	Oracle Linux Local Security Checks	2016/8/3	2024/11/1	critical
92690	Oracle Linux 6libtiff (ELSA-2016-1547)	Nessus	Oracle Linux Local Security Checks	2016/8/3	2025/4/29	critical
92691	OracleVM 3.3 / 3.4：libtiff (OVMSA-2016-0093)	Nessus	OracleVM Local Security Checks	2016/8/3	2021/1/4	critical

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