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.

References

Advisories
More

https://exchange.xforce.ibmcloud.com/vulnerabilities/71970

http://www.securitytracker.com/id?1026463

http://www.securitytracker.com/id?1026460

http://www.redhat.com/support/errata/RHSA-2011-1854.html

http://www.redhat.com/support/errata/RHSA-2011-1853.html

http://www.redhat.com/support/errata/RHSA-2011-1852.html

http://www.redhat.com/support/errata/RHSA-2011-1851.html

http://www.mandriva.com/security/advisories?name=MDVSA-2011:195

http://www.debian.org/security/2011/dsa-2375

http://www.debian.org/security/2011/dsa-2373

http://www.debian.org/security/2011/dsa-2372

http://secunia.com/advisories/47441

http://secunia.com/advisories/47399

http://secunia.com/advisories/47397

http://secunia.com/advisories/47374

http://secunia.com/advisories/47373

http://secunia.com/advisories/47359

http://secunia.com/advisories/47357

http://secunia.com/advisories/47348

http://secunia.com/advisories/47341

http://secunia.com/advisories/46239

http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00015.html

http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html

http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html

http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html

http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00007.html

http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html

http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html

http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html

http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071640.html

http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071627.html

http://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=665f1e73cdd9b38e2d2e11b8db9958a315935592

http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-008.txt

http://security.freebsd.org/patches/SA-11:08/telnetd.patch

http://security.freebsd.org/advisories/FreeBSD-SA-11:08.telnetd.asc

http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006120.html

http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006119.html

http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006118.html

http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006117.html

Details

Source: Mitre, NVD

Published: 2011-12-25

Updated: 2025-04-11

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.92585