CVE-2011-4862— FreeBSD ‘telnetd’ 缓冲区错误漏洞

一分钟漏洞结论

复制摘要 复制引用

影响对象

n/a n/a

利用判断

存在公开或 AI PoC，应优先验证

建议动作

优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

FreeBSD是由Core Team团队负责的FreeBSD项目中的一套类Unix自由操作系统，是经过BSD、386BSD和4.4BSD发展而来的类Unix的一个重要分支。 FreeBSD 7.3至9.0版本, MIT Kerberos Version 5 Applications 1.0.2及之前版本和Heimdal 1.5.1及之前版本中的telnetd中的libtelnet/encrypt.c中存在缓冲区溢出漏洞。远程攻击者可借助超长encryption键执行任意代码。

CVE-2011-4862 影响 n/a n/a。存在公开或 AI PoC，应优先验证。FreeBSD是由Core Team团队负责的FreeBSD项目中的一套类Unix自由操作系统，是经过BSD、386BSD和4.4BSD发展而来的类Unix的一个重要分支。 FreeBSD 7.3至9.0版本, MIT Kerberos Version 5 Applications 1.0.2及之前版本和Heimdal 1.5.1及之前版本中的telnetd CVE-2011-4862 漏洞详情，神龙漏洞库，https://cve.imfht.com/detail/CVE-2011-4862

一、 漏洞 CVE-2011-4862 基础信息

受影响产品

二、漏洞 CVE-2011-4862 的公开POC

三、漏洞 CVE-2011-4862 的情报信息

CVE-2011-4862 厂商安全公告 (18)

• http://secunia.com/advisories/47397 third-party-advisory x_refsource_SECUNIA
• http://secunia.com/advisories/47357 third-party-advisory x_refsource_SECUNIA
• http://secunia.com/advisories/47373 third-party-advisory x_refsource_SECUNIA
• http://secunia.com/advisories/47441 third-party-advisory x_refsource_SECUNIA
• http://osvdb.org/78020 vdb-entry x_refsource_OSVDB
• http://secunia.com/advisories/47374 third-party-advisory x_refsource_SECUNIA
• http://secunia.com/advisories/47359 third-party-advisory x_refsource_SECUNIA
• http://secunia.com/advisories/47348 third-party-advisory x_refsource_SECUNIA
• http://secunia.com/advisories/47341 third-party-advisory x_refsource_SECUNIA
• http://secunia.com/advisories/47399 third-party-advisory x_refsource_SECUNIA
• http://secunia.com/advisories/46239 third-party-advisory x_refsource_SECUNIA
• http://www.securitytracker.com/id?1026460 vdb-entry x_refsource_SECTRACK
• http://www.securitytracker.com/id?1026463 vdb-entry x_refsource_SECTRACK
• http://www.debian.org/security/2011/dsa-2372 vendor-advisory x_refsource_DEBIAN
• http://www.debian.org/security/2011/dsa-2373 vendor-advisory x_refsource_DEBIAN
• http://www.debian.org/security/2011/dsa-2375 vendor-advisory x_refsource_DEBIAN
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:195 vendor-advisory x_refsource_MANDRIVA
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71970 vdb-entry x_refsource_XF

CVE-2011-4862 公开利用代码 (1)

• http://www.exploit-db.com/exploits/18280/ exploit x_refsource_EXPLOIT-DB

CVE-2011-4862 邮件列表归档 (13)

• http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071627.html vendor-advisory x_refsource_FEDORA
• http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00015.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00007.html vendor-advisory x_refsource_SUSE
• http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071640.html vendor-advisory x_refsource_FEDORA
• http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html vendor-advisory x_refsource_SUSE
• http://archives.neohapsis.com/archives/bugtraq/2011-12/0172.html mailing-list x_refsource_BUGTRAQ
• http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006117.html mailing-list x_refsource_MLIST
• http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006119.html mailing-list x_refsource_MLIST

CVE-2011-4862 其他参考 (7)

• http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-008.txt x_refsource_CONFIRM
• http://security.freebsd.org/patches/SA-11:08/telnetd.patch x_refsource_CONFIRM
• http://www.redhat.com/support/errata/RHSA-2011-1853.html vendor-advisory x_refsource_REDHAT
• http://www.redhat.com/support/errata/RHSA-2011-1852.html vendor-advisory x_refsource_REDHAT
• http://www.redhat.com/support/errata/RHSA-2011-1854.html vendor-advisory x_refsource_REDHAT
• http://www.redhat.com/support/errata/RHSA-2011-1851.html vendor-advisory x_refsource_REDHAT
• http://security.freebsd.org/advisories/FreeBSD-SA-11:08.telnetd.asc vendor-advisory x_refsource_FREEBSD

• https://www.cve.org/CVERecord?id=CVE-2011-4862

同批安全公告 · n/a · 2011-12-25 · 共 16 条

IV. Related Vulnerabilities

V. Comments for CVE-2011-4862