CVE-2011-4862

Critical

Description

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.

SeverityCritical
CVSS10.0
Exploit probability—
ProductGnu Inetutils
PublishedDec 25, 2011
First seenDec 25, 2011

How to fix

Update
  • gnu inetutils1.9 or later

Affected products

ProductAffected versionsFixed in
gnu inetutilsv < 1.91.9
heimdal_project heimdalv ≤ 1.5.1—
mit krb5-applv ≤ 1.0.2—
freebsd freebsd7.3 ≤ v ≤ 9.0—
fedoraproject fedora15, 16—
debian debian_linux5.0, 6.0, 7.0—
opensuse opensuse11.3, 11.4—
suse linux_enterprise_desktop10, 11—
suse linux_enterprise_server9, 10, 11—
suse linux_enterprise_software_development_kit10, 11—

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CVE-2011-4862 · Gnu Inetutils · Dark Radar