Home > Vulnerability Database > CVE-2011-4862

Mend.io Vulnerability Database

CVE-2011-4862

Date: December 24, 2011

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.

Severity Score

9.8

Related Resources (46)

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

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

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

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

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

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

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

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

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

Url: http://secunia.com/advisories/47441

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

Url: http://secunia.com/advisories/47341

Url: https://nvd.nist.gov/vuln/detail/CVE-2011-4862

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

Url: https://access.redhat.com/security/cve/CVE-2011-4862

Url: https://security-tracker.debian.org/tracker/CVE-2011-4862

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

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

Url: http://secunia.com/advisories/46239

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

Url: http://secunia.com/advisories/47348

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

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

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

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

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

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

Url: http://osvdb.org/78020

Url: http://www.exploit-db.com/exploits/18280/

Url: http://secunia.com/advisories/47357

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

Url: http://secunia.com/advisories/47399

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

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

Url: http://secunia.com/advisories/47397

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

Url: http://secunia.com/advisories/47374

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

Url: http://secunia.com/advisories/47373

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

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

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

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

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

Url: http://secunia.com/advisories/47359

Url: https://www.mend.io/vulnerability-database/CVE-2011-4862

Severity Score

9.8

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	10.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2011-4862

Date: December 24, 2011

Severity Score

Related Resources (46)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

Do you need more information?