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 value that triggers an erroneous malloc call, related…
Does this matter?
Lower severity and a low EPSS score (2.77%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 2.77% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- mit/kerberos
- Source
- cve@mitre.org
References
- 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.txtVendor Advisory
- 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
- http://www.securitytracker.com/id?1021993
- http://www.ubuntu.com/usn/usn-755-1
- http://www.us-cert.gov/cas/techalerts/TA09-133A.htmlUS Government Resource
- http://www.vupen.com/english/advisories/2009/0960
- http://www.vupen.com/english/advisories/2009/0976
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.