CVE-2014-4344
The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service
02 Description
The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 6.61% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2014-08-14 01:00Z12 YR AGO
- Last updated
- 2024-08-06 11:12Z2 YR AGO
- Reserved
- 2014-06-20
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 99c8893c7a83a22c3e309b1bb539977af4b9e7e08024ccfe83f7958c01e9fd9d
05 Affected products
06 References
- github.comhttps://github.com/krb5/krb5/commit/a7886f0ed1277c69142b14a2c6629175a6331edc
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1121877
- github.comhttps://github.com/krb5/krb5/commit/524688ce87a15fc75f87efc8c039ba4c7d5c197b
- exchange.xforce.ibmcloud.comkerberos-cve20144344-dos(95210)https://exchange.xforce.ibmcloud.com/vulnerabilities/95210
- aix.software.ibm.comhttp://aix.software.ibm.com/aix/efixes/security/nas_advisory1.asc
- rhn.redhat.comRHSA-2015:0439http://rhn.redhat.com/errata/RHSA-2015-0439.html
- secunia.com60448http://secunia.com/advisories/60448
- support.f5.comhttp://support.f5.com/kb/en-us/solutions/public/15000/500/sol15561.html
- lists.fedoraproject.orgFEDORA-2014-8189http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136360.html
- secunia.com61051http://secunia.com/advisories/61051
- www.debian.orgDSA-3000http://www.debian.org/security/2014/dsa-3000
- krbdev.mit.eduhttp://krbdev.mit.edu/rt/Ticket/Display.html?id=7970
- www.mandriva.comMDVSA-2014:165http://www.mandriva.com/security/advisories?name=MDVSA-2014:165
- www.securityfocus.com69160http://www.securityfocus.com/bid/69160
- www.osvdb.org109389http://www.osvdb.org/109389
- www.securitytracker.com1030706http://www.securitytracker.com/id/1030706
- secunia.com60082http://secunia.com/advisories/60082
- advisories.mageia.orghttp://advisories.mageia.org/MGASA-2014-0345.html
- secunia.com59102http://secunia.com/advisories/59102
07 Fixed in
Debian 12
- krb5 Fixed in 1.12.1+dfsg-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- krb5 Fixed in 1.12.1+dfsg-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- krb5 Fixed in 1.12.1+dfsg-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- krb5 Fixed in 1.12+dfsg-2ubuntu4.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.