CVE-2009-0847

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
• http://marc.info/?l=bugtraq&m=124896429301168&w=2
• http://secunia.com/advisories/34594
• http://secunia.com/advisories/34617
• http://secunia.com/advisories/34622
• http://secunia.com/advisories/34628
• http://secunia.com/advisories/34637
• http://secunia.com/advisories/34640
• http://secunia.com/advisories/34734
• http://secunia.com/advisories/35074
• http://security.gentoo.org/glsa/glsa-200904-09.xml
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
• http://support.apple.com/kb/HT3549
• http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm
• http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html
• http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
• http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt
• http://wiki.rpath.com/Advisories:rPSA-2009-0058
• http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
• http://www-01.ibm.com/support/docview.wss?uid=swg21396120
• http://www.kb.cert.org/vuls/id/662091
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:098
• http://www.securityfocus.com/archive/1/502526/100/0/threaded
• http://www.securityfocus.com/archive/1/502546/100/0/threaded
• http://www.securityfocus.com/bid/34408