CVE-2009-0847

krb5: incorrect length check inside ASN.1 decoder (MITKRB5-SA-2009-001)

Published Apr 9, 2009 CVSS 2.0 · 4.3 Medium EPSS 2.8% KEV · Not listed
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 value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-1766-1 New krb5 packages fix several vulnerabilities
Ubuntu USN Ubuntu USN USN-755-1 Kerberos vulnerabilities
References
Link Providers
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html cve-icon cve-icon
http://marc.info/?l=bugtraq&m=124896429301168&w=2 cve-icon cve-icon
http://secunia.com/advisories/34594 cve-icon cve-icon
http://secunia.com/advisories/34617 cve-icon cve-icon
http://secunia.com/advisories/34622 cve-icon cve-icon
http://secunia.com/advisories/34628 cve-icon cve-icon
http://secunia.com/advisories/34637 cve-icon cve-icon
http://secunia.com/advisories/34640 cve-icon cve-icon
http://secunia.com/advisories/34734 cve-icon cve-icon
http://secunia.com/advisories/35074 cve-icon cve-icon
http://security.gentoo.org/glsa/glsa-200904-09.xml cve-icon cve-icon
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1 cve-icon cve-icon
http://support.apple.com/kb/HT3549 cve-icon cve-icon
http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm cve-icon cve-icon
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html cve-icon cve-icon
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html cve-icon cve-icon
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt cve-icon cve-icon
http://wiki.rpath.com/Advisories:rPSA-2009-0058 cve-icon cve-icon
http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058 cve-icon cve-icon
http://www-01.ibm.com/support/docview.wss?uid=swg21396120 cve-icon cve-icon
http://www.kb.cert.org/vuls/id/662091 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2009:098 cve-icon cve-icon
http://www.securityfocus.com/archive/1/502526/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/archive/1/502546/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/bid/34408 cve-icon cve-icon
http://www.securitytracker.com/id?1021993 cve-icon cve-icon
http://www.ubuntu.com/usn/usn-755-1 cve-icon cve-icon
http://www.us-cert.gov/cas/techalerts/TA09-133A.html cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/0960 cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/0976 cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/1057 cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/1106 cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/1297 cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/2084 cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/2248 cve-icon cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6387 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2009-0847 cve-icon
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html cve-icon cve-icon
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html cve-icon cve-icon
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 7, 2024, 4:48 AM
Reserved
Mar 6, 2009, 12:00 AM
Status
Modified
Published
Apr 9, 2009, 12:30 AM
Modified
Jun 16, 2026, 11:05 PM
Severity
Important
Public date
Apr 7, 2009, 12:00 AM