CVE-2011-4862

NONE EPSS 99.9%

Published Dec 25, 201114y ago · Modified Jun 16, 20262w ago

Published Dec 25, 2011 14y ago

Last Modified Jun 16, 2026 2w ago

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.

Threat Intelligence

EPSS Exploit Probability

99.9% percentile

Exploit & Patch Status

Public Exploit Known

Patch Available

Weaknesses 1

CWE-120

Affected Products 21

Vendor	Product	Version	Range
gnu	inetutils	*	<1.9
heimdal_project	heimdal	*	≤1.5.1
mit	krb5-appl	*	≤1.0.2
freebsd	freebsd	*	≥7.3 – ≤9.0
fedoraproject	fedora	15	any
fedoraproject	fedora	16	any
debian	debian_linux	5.0	any
debian	debian_linux	6.0	any
debian	debian_linux	7.0	any
opensuse	opensuse	11.3	any
opensuse	opensuse	11.4	any
suse	linux_enterprise_desktop	10	any
suse	linux_enterprise_desktop	11	any
suse	linux_enterprise_server	9	any
suse	linux_enterprise_server	10	any
suse	linux_enterprise_server	10	any
suse	linux_enterprise_server	10	any
suse	linux_enterprise_server	11	any
suse	linux_enterprise_server	11	any
suse	linux_enterprise_software_development_kit	10	any
suse	linux_enterprise_software_development_kit	11	any

References 42

archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2011-12/0172.html

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

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

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

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

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

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

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

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

Mailing ListThird Party Advisory
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html

Mailing ListThird Party Advisory
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html

Mailing ListThird Party Advisory
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00007.html

Mailing ListThird Party Advisory
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html

Mailing ListThird Party Advisory
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html

Mailing ListThird Party Advisory
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html

Mailing ListThird Party Advisory
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00015.html

Mailing ListThird Party Advisory
osvdb.org http://osvdb.org/78020

Broken Link
secunia.com http://secunia.com/advisories/46239

Third Party Advisory
secunia.com http://secunia.com/advisories/47341

Third Party Advisory
secunia.com http://secunia.com/advisories/47348

Third Party Advisory
secunia.com http://secunia.com/advisories/47357

Third Party Advisory
secunia.com http://secunia.com/advisories/47359

Third Party Advisory
secunia.com http://secunia.com/advisories/47373

Third Party Advisory
secunia.com http://secunia.com/advisories/47374

Third Party Advisory
secunia.com http://secunia.com/advisories/47397

Third Party Advisory
secunia.com http://secunia.com/advisories/47399

Third Party Advisory
secunia.com http://secunia.com/advisories/47441

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

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

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

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

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

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

Third Party Advisory
exploit-db.com http://www.exploit-db.com/exploits/18280/

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

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

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

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

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

Third Party Advisory
securitytracker.com http://www.securitytracker.com/id?1026460

Third Party AdvisoryVDB Entry
securitytracker.com http://www.securitytracker.com/id?1026463

Third Party AdvisoryVDB Entry
exchange.xforce.ibmcloud.com https://exchange.xforce.ibmcloud.com/vulnerabilities/71970

Third Party AdvisoryVDB Entry

Remediation

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

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

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

PatchVendor Advisory