This advisory adds security support for the stable amd64 distribution.
It covers all security updates since the release of sarge, which were missing updated packages for the not yet official amd64 port. Future security advisories will include updates for this port as well.

A buffer overflow has been discovered in the telnet server from Heimdal, a free implementation of Kerberos 5, that could lead to the execution of arbitrary code.

このアドバイザリは、安定版（stable）amd64 ディストリビューションのセキュリティサポートを追加します。
sarge リリース以降のすべてのセキュリティ更新がカバーされます。これには、まだ正式ではない amd64 ポートに対する更新済みパッケージがありませんでした。今後のセキュリティアドバイザリには、このポートの更新も含まれる予定です。

The remote host is affected by the vulnerability described in GLSA-200506-24 (Heimdal: Buffer overflow vulnerabilities)

    It has been reported that the 'getterminaltype' function of     Heimdal's telnetd server is vulnerable to buffer overflows.
  Impact :

    An attacker could exploit this vulnerability to execute arbitrary     code with the permission of the telnetd server program.
  Workaround :

    There is no known workaround at this time.

A Project heimdal Security Advisory reports :

The telnet client program in Heimdal has buffer overflows in the functions slc_add_reply() and env_opt_add(), which may lead to remote code execution.

The telnetd server program in Heimdal has buffer overflows in the function getterminaltype, which may lead to remote code execution.

The rshd server in Heimdal has a privilege escalation bug when storing forwarded credentials. The code allowes a user to overwrite a file with its credential cache, and get ownership of the file.

此公告會新增對穩定之 amd64 發行版本的安全性支援。
其中包含自 sarge 發佈以來的所有安全性更新，但缺少非官方 amd64 連接埠的更新版套件。之後的安全性公告也將包含此連接埠的更新。

此公告添加了对稳定 amd64 发行版本的安全支持。
它涵盖自 sarge 发布以来的所有安全更新，该版本缺少针对尚不是官方 amd64 端口的更新后的程序包。未来的安全公告将也包含此端口的更新。

ID	名稱	產品	系列	已發布	已更新	嚴重性
57528	Debian DSA-773-1 : amd64 - several vulnerabilities	Nessus	Debian Local Security Checks	2012/1/12	2021/1/4	critical
19220	Debian DSA-758-1 : heimdal - buffer overflow	Nessus	Debian Local Security Checks	2005/7/18	2021/1/4	medium
57528	Debian DSA-773-1：amd64 - いくつかの脆弱性	Nessus	Debian Local Security Checks	2012/1/12	2021/1/4	critical
18590	GLSA-200506-24 : Heimdal: Buffer overflow vulnerabilities	Nessus	Gentoo Local Security Checks	2005/6/29	2021/1/6	medium
21499	FreeBSD : heimdal -- Multiple vulnerabilities (b62c80c2-b81a-11da-bec5-00123ffe8333)	Nessus	FreeBSD Local Security Checks	2006/5/13	2021/1/6	high
57528	Debian DSA-773-1 : amd64 - 數個弱點	Nessus	Debian Local Security Checks	2012/1/12	2021/1/4	critical
57528	Debian DSA-773-1：amd64 - 多个漏洞	Nessus	Debian Local Security Checks	2012/1/12	2021/1/4	critical

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