CVE-2009-0845
The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service
02 Description
The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, 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
- 5.62% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.7% 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 2026-06-16.
- Red Hat severity
- Important. 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
- 2009-03-27 16:00Z17 YR AGO
- Last updated
- 2024-08-07 04:48Z2 YR AGO
- Reserved
- 2009-03-06
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- e79e1319d7367001a1562cc7335de1c2b7616e9bf8d0158d60bad6457844ca16
05 Affected products
06 References
- support.novell.comhttp://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
- www.securityfocus.com20090407 MITKRB5-SA-2009-001: multiple vulnerabilities in SPNEGO, ASN.1 decoder [CVE-2009-0844 CVE-2009-0845 CVE-2009-0847]http://www.securityfocus.com/archive/1/502526/100/0/threaded
- www.kb.cert.orgVU#662091http://www.kb.cert.org/vuls/id/662091
- www.securityfocus.com34257http://www.securityfocus.com/bid/34257
- www.vupen.comADV-2009-0847http://www.vupen.com/english/advisories/2009/0847
- secunia.com34347http://secunia.com/advisories/34347
- support.apple.comhttp://support.apple.com/kb/HT3549
- support.avaya.comhttp://support.avaya.com/elmodocs2/security/ASA-2009-142.htm
- src.mit.eduhttp://src.mit.edu/fisheye/browse/krb5/trunk/src/lib/gssapi/spnego/spnego_mech.c?r1=21875&r2=22084
- www.redhat.comRHSA-2009:0408http://www.redhat.com/support/errata/RHSA-2009-0408.html
- secunia.com34637http://secunia.com/advisories/34637
- secunia.com34640http://secunia.com/advisories/34640
- secunia.com35074http://secunia.com/advisories/35074
- www.mandriva.comMDVSA-2009:082http://www.mandriva.com/security/advisories?name=MDVSA-2009:082
- sunsolve.sun.com256728http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
- security.gentoo.orgGLSA-200904-09http://security.gentoo.org/glsa/glsa-200904-09.xml
- support.novell.comhttp://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html
- www.vupen.comADV-2009-0976http://www.vupen.com/english/advisories/2009/0976
- lists.apple.comAPPLE-SA-2009-05-12http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- www.ubuntu.comUSN-755-1http://www.ubuntu.com/usn/usn-755-1
- secunia.com34630http://secunia.com/advisories/34630
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21396120
- www.vupen.comADV-2009-1057http://www.vupen.com/english/advisories/2009/1057
- web.mit.eduhttp://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt
- secunia.com34617http://secunia.com/advisories/34617
- secunia.com34628http://secunia.com/advisories/34628
- secunia.com34734http://secunia.com/advisories/34734
- exchange.xforce.ibmcloud.comkerberos-spnego-dos(49448)https://exchange.xforce.ibmcloud.com/vulnerabilities/49448
- oval.cisecurity.orgoval:org.mitre.oval:def:6449https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6449
- www.vupen.comADV-2009-2248http://www.vupen.com/english/advisories/2009/2248
- www.us-cert.govTA09-133Ahttp://www.us-cert.gov/cas/techalerts/TA09-133A.html
- wiki.rpath.comhttp://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
- www.vupen.comADV-2009-1297http://www.vupen.com/english/advisories/2009/1297
- secunia.com34622http://secunia.com/advisories/34622
- krbdev.mit.eduhttp://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=6402
- www.redhat.comFEDORA-2009-2852https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html
- www.securitytracker.com1021867http://www.securitytracker.com/id?1021867
- www.redhat.comFEDORA-2009-2834https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html
- wiki.rpath.comhttp://wiki.rpath.com/Advisories:rPSA-2009-0058
- oval.cisecurity.orgoval:org.mitre.oval:def:10044https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10044
- src.mit.eduhttp://src.mit.edu/fisheye/changelog/krb5/?cs=22084
- www.securityfocus.com20090407 rPSA-2009-0058-1 krb5 krb5-server krb5-services krb5-test krb5-workstationhttp://www.securityfocus.com/archive/1/502546/100/0/threaded
- secunia.com34594http://secunia.com/advisories/34594
- www.vupen.comADV-2009-1106http://www.vupen.com/english/advisories/2009/1106
07 Fixed in
Debian 12
- krb5 Fixed in 1.6.dfsg.4~beta1-13
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- krb5 Fixed in 1.6.dfsg.4~beta1-13
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- krb5 Fixed in 1.6.dfsg.4~beta1-13
Source: Debian Security Tracker, the Debian security team. 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.