CVE-2011-4862

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2011-4862
StatePUBLISHED
Assignerfreebsd
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-12-25 01:55:02 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionBuffer 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.

Risk And Classification

Primary CVSS: v2.0 10 from [email protected]

AV:N/AC:L/Au:N/C:C/I:C/A:C

Problem Types: CWE-120 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 5.0 All All All
Operating System Debian Debian Linux 6.0 All All All
Operating System Debian Debian Linux 7.0 All All All
Operating System Fedoraproject Fedora 15 All All All
Operating System Fedoraproject Fedora 16 All All All
Operating System Freebsd Freebsd All All All All
Application Gnu Inetutils All All All All
Application Heimdal Project Heimdal All All All All
Application Mit Krb5-appl All All All All
Operating System Opensuse Opensuse 11.3 All All All
Operating System Opensuse Opensuse 11.4 All All All
Operating System Suse Linux Enterprise Desktop 10 sp4 All All
Operating System Suse Linux Enterprise Desktop 11 sp1 All All
Operating System Suse Linux Enterprise Server 10 sp2 All All
Operating System Suse Linux Enterprise Server 10 sp3 All All
Operating System Suse Linux Enterprise Server 10 sp4 All All
Operating System Suse Linux Enterprise Server 11 sp1 All All
Operating System Suse Linux Enterprise Server 11 sp1 All All
Operating System Suse Linux Enterprise Server 9 All All All
Operating System Suse Linux Enterprise Software Development Kit 10 sp4 All All
Operating System Suse Linux Enterprise Software Development Kit 11 sp1 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[security-announce] SUSE-SU-2012:0024-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[security-announce] openSUSE-SU-2012:0051-1: important: krb5-appl: Fixed af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Merry Christmas from the FreeBSD Security Team af854a3a-2127-422b-91ae-364da2661108 lists.freebsd.org Vendor Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Debian -- Security Information -- DSA-2373-1 inetutils af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
[security-announce] openSUSE-SU-2012:0019-1: important: krb5-appl: Fixed af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
security.freebsd.org/patches/SA-11:08/telnetd.patch af854a3a-2127-422b-91ae-364da2661108 security.freebsd.org Patch, Vendor Advisory
NEOHAPSIS - Peace of Mind Through Integrity and Insight af854a3a-2127-422b-91ae-364da2661108 archives.neohapsis.com Broken Link
FreeBSD Telnet Encryption Feature Buffer Overflow Lets Remote Users Execute Arbitrary Code - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
security.freebsd.org/advisories/FreeBSD-SA-11:08.telnetd.asc af854a3a-2127-422b-91ae-364da2661108 security.freebsd.org Mitigation, Vendor Advisory
[security-announce] SUSE-SU-2012:0042-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
osvdb.org/78020 af854a3a-2127-422b-91ae-364da2661108 osvdb.org Broken Link
web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-008.txt af854a3a-2127-422b-91ae-364da2661108 web.mit.edu Patch, Vendor Advisory
Debian -- Security Information -- DSA-2372-1 heimdal af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Support / Security / Advisories / / MDVSA-2011:195 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com Third Party Advisory
Merry Christmas from the FreeBSD Security Team af854a3a-2127-422b-91ae-364da2661108 lists.freebsd.org Vendor Advisory
Kerberos Telnet Encryption Feature Buffer Overflow Lets Remote Users Execute Arbitrary Code - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
inetutils.git - GNU Inetutils af854a3a-2127-422b-91ae-364da2661108 git.savannah.gnu.org Patch, Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
[security-announce] SUSE-SU-2012:0010-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Merry Christmas from the FreeBSD Security Team af854a3a-2127-422b-91ae-364da2661108 lists.freebsd.org Vendor Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
[SECURITY] Fedora 16 Update: krb5-appl-1.0.2-2.fc16 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
Merry Christmas from the FreeBSD Security Team af854a3a-2127-422b-91ae-364da2661108 lists.freebsd.org Vendor Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
[security-announce] SUSE-SU-2012:0050-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Third Party Advisory
[security-announce] SUSE-SU-2012:0018-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
[SECURITY] Fedora 15 Update: krb5-appl-1.0.1-8.fc15 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
Telnetd encrypt_keyid: Remote Root function pointer overwrite af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Exploit, Third Party Advisory, VDB Entry
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com Third Party Advisory, VDB Entry
Debian -- Security Information -- DSA-2375-1 krb5, krb5-appl af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
[security-announce] SUSE-SU-2012:0056-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report