CVE-2009-0847
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length
02 Description
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length
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
- 2.77% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.0% 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
- 2009-04-09 00:00Z17 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
- 845c2e127dbf1da9a3eed357c25ad7c87a82a62c3e8275f17f5154ac85b27aeb
05 Affected products
06 References
- support.novell.comhttp://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
- www.mandriva.comMDVSA-2009:098http://www.mandriva.com/security/advisories?name=MDVSA-2009:098
- 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.vupen.comADV-2009-0960http://www.vupen.com/english/advisories/2009/0960
- support.apple.comhttp://support.apple.com/kb/HT3549
- support.avaya.comhttp://support.avaya.com/elmodocs2/security/ASA-2009-142.htm
- oval.cisecurity.orgoval:org.mitre.oval:def:6387https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6387
- secunia.com34637http://secunia.com/advisories/34637
- www.vupen.comADV-2009-2084http://www.vupen.com/english/advisories/2009/2084
- www.securityfocus.com34408http://www.securityfocus.com/bid/34408
- secunia.com34640http://secunia.com/advisories/34640
- secunia.com35074http://secunia.com/advisories/35074
- www.securitytracker.com1021993http://www.securitytracker.com/id?1021993
- 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
- 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
- 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
- www.redhat.comFEDORA-2009-2852https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html
- 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
- 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
- marc.infoHPSBUX02421http://marc.info/?l=bugtraq&m=124896429301168&w=2
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.