SB2014081404 - Input validation error in MIT Kerberos 5
Published: August 14, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014081404
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2014-4345)
The vulnerability allows a remote #AU# to execute arbitrary code.
Off-by-one error in the krb5_encode_krbsecretkey function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the LDAP KDB module in kadmind in MIT Kerberos 5 (aka krb5) 1.6.x through 1.11.x before 1.11.6 and 1.12.x before 1.12.2 allows remote authenticated users to cause a denial of service (buffer overflow) or possibly execute arbitrary code via a series of "cpw -keepold" commands.
Remediation
Install update from vendor's website.
References
- http://advisories.mageia.org/MGASA-2014-0345.html
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=7980
- http://linux.oracle.com/errata/ELSA-2014-1255.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136640.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/137056.html
- http://lists.opensuse.org/opensuse-security-announce/2014-08/msg00009.html
- http://lists.opensuse.org/opensuse-updates/2014-08/msg00030.html
- http://rhn.redhat.com/errata/RHSA-2014-1255.html
- http://rhn.redhat.com/errata/RHSA-2015-0439.html
- http://secunia.com/advisories/59102
- http://secunia.com/advisories/59415
- http://secunia.com/advisories/59993
- http://secunia.com/advisories/60535
- http://secunia.com/advisories/60776
- http://secunia.com/advisories/61314
- http://secunia.com/advisories/61353
- http://security.gentoo.org/glsa/glsa-201412-53.xml
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2014-001.txt
- http://www.debian.org/security/2014/dsa-3000
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:165
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.osvdb.org/109908
- http://www.securityfocus.com/bid/69168
- http://www.securitytracker.com/id/1030705
- https://blogs.oracle.com/sunsecurity/entry/cve_2014_4345_numeric_errors
- https://bugzilla.redhat.com/show_bug.cgi?id=1128157
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95212
- https://github.com/krb5/krb5/commit/dc7ed55c689d57de7f7408b34631bf06fec9dab1
- https://github.com/krb5/krb5/pull/181