CVE-2011-4862

NameCVE-2011-4862
DescriptionBuffer 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2372-1, DSA-2373-1, DSA-2375-1
NVD severityhigh (attack range: remote)
Debian Bugs654231

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
heimdal (PTS)wheezy1.6~git20120403+dfsg1-2fixed
wheezy (security)1.6~git20120403+dfsg1-2+deb7u1fixed
jessie (security), jessie1.6~rc2+dfsg-9+deb8u1fixed
stretch (security), stretch7.1.0+dfsg-13+deb9u1fixed
buster, sid7.4.0.dfsg.1-2fixed
inetutils (PTS)wheezy2:1.9-2fixed
jessie2:1.9.2.39.3a460-3fixed
buster, sid, stretch2:1.9.4-2fixed
krb5 (PTS)wheezy1.10.1+dfsg-5+deb7u7fixed
wheezy (security)1.10.1+dfsg-5+deb7u8fixed
jessie (security), jessie1.12.1+dfsg-19+deb8u2fixed
stretch1.15-1+deb9u1fixed
buster, sid1.15.1-2fixed
krb5-appl (PTS)wheezy1:1.0.1-4fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
heimdalsource(unstable)1.5.dfsg.1-1high
heimdalsourcelenny1.2.dfsg.1-2.1+lenny1highDSA-2372-1
heimdalsourcesqueeze1.4.0~git20100726.dfsg.1-2+squeeze1highDSA-2372-1
inetutilssource(unstable)2:1.8-6high
inetutilssourcelenny2:1.5.dfsg.1-9+lenny1highDSA-2373-1
inetutilssourcesqueeze2:1.6-3.1+squeeze1highDSA-2373-1
krb5source(unstable)1.8+dfsg~aa+r23527-1high
krb5sourcelenny1.6.dfsg.4~beta1-5lenny7highDSA-2375-1
krb5-applsource(unstable)1:1.0.1-1.2high654231
krb5-applsourcesqueeze1:1.0.1-1.2highDSA-2375-1

Notes

krb5 fixed through move of code to krb5-appl.

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