National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-4862 Detail

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.

Source:  MITRE
Description Last Modified:  12/24/2011

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 10.0 HIGH
Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Provides administrator access
Allows unauthorized disclosure of information
Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://archives.neohapsis.com/archives/bugtraq/2011-12/0172.html
http://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=665f1e73cdd9b38e2d2e11b8db9958a315935592
http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071627.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071640.html
http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006117.html Vendor Advisory
http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006118.html Vendor Advisory
http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006119.html Vendor Advisory
http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006120.html Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00015.html
http://security.freebsd.org/advisories/FreeBSD-SA-11:08.telnetd.asc Vendor Advisory
http://security.freebsd.org/patches/SA-11:08/telnetd.patch Vendor Advisory
http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-008.txt
http://www.debian.org/security/2011/dsa-2372
http://www.debian.org/security/2011/dsa-2373
http://www.debian.org/security/2011/dsa-2375
http://www.exploit-db.com/exploits/18280/
http://www.mandriva.com/security/advisories?name=MDVSA-2011:195
http://www.redhat.com/support/errata/RHSA-2011-1851.html
http://www.redhat.com/support/errata/RHSA-2011-1852.html
http://www.redhat.com/support/errata/RHSA-2011-1853.html
http://www.redhat.com/support/errata/RHSA-2011-1854.html
http://www.securitytracker.com/id?1026460
http://www.securitytracker.com/id?1026463
https://exchange.xforce.ibmcloud.com/vulnerabilities/71970

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:h5l:heimdal:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.5.1
 cpe:2.3:a:mit:krb5-appl:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.02
 cpe:2.3:o:freebsd:freebsd:7.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:8.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:8.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:9.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-4862
NVD Published Date:
12/24/2011
NVD Last Modified:
08/28/2017