漏洞描述
Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.2 and earlier, Heimdal 1.5.1 and earlier, GNU inetutils, and possibly other products allows remote attackers to execute arbitrary code via a long encryption key, as exploited in the wild in December 2011.
影响产品
修复建议
建议关注厂商安全公告，及时升级至已修复版本，并结合实际资产暴露情况采取缓解措施。
参考链接
www.securitytracker.comhttp://www.securitytracker.com/id?1026460↗exchange.xforce.ibmcloud.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/71970↗www.debian.orghttp://www.debian.org/security/2011/dsa-2372↗www.redhat.comhttp://www.redhat.com/support/errata/RHSA-2011-1854.html↗web.mit.eduhttp://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-008.txt↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00007.html↗osvdb.orghttp://osvdb.org/78020↗secunia.comhttp://secunia.com/advisories/47341↗www.redhat.comhttp://www.redhat.com/support/errata/RHSA-2011-1853.html↗www.debian.orghttp://www.debian.org/security/2011/dsa-2373↗lists.freebsd.orghttp://lists.freebsd.org/pipermail/freebsd-security/2011-December/006119.html↗lists.freebsd.orghttp://lists.freebsd.org/pipermail/freebsd-security/2011-December/006117.html↗secunia.comhttp://secunia.com/advisories/47374↗lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2012-January/071627.html↗lists.freebsd.orghttp://lists.freebsd.org/pipermail/freebsd-security/2011-December/006118.html↗secunia.comhttp://secunia.com/advisories/46239↗secunia.comhttp://secunia.com/advisories/47357↗secunia.comhttp://secunia.com/advisories/47441↗security.freebsd.orghttp://security.freebsd.org/patches/SA-11:08/telnetd.patch↗www.redhat.comhttp://www.redhat.com/support/errata/RHSA-2011-1852.html↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html↗archives.neohapsis.comhttp://archives.neohapsis.com/archives/bugtraq/2011-12/0172.html↗security.freebsd.orghttp://security.freebsd.org/advisories/FreeBSD-SA-11:08.telnetd.asc↗secunia.comhttp://secunia.com/advisories/47397↗www.redhat.comhttp://www.redhat.com/support/errata/RHSA-2011-1851.html↗git.savannah.gnu.orghttp://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=665f1e73cdd9b38e2d2e11b8db9958a315935592↗www.securitytracker.comhttp://www.securitytracker.com/id?1026463↗lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2012-January/071640.html↗secunia.comhttp://secunia.com/advisories/47399↗secunia.comhttp://secunia.com/advisories/47348↗www.debian.orghttp://www.debian.org/security/2011/dsa-2375↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00015.html↗lists.freebsd.orghttp://lists.freebsd.org/pipermail/freebsd-security/2011-December/006120.html↗secunia.comhttp://secunia.com/advisories/47359↗secunia.comhttp://secunia.com/advisories/47373↗www.mandriva.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2011:195↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html↗