CVE-2009-0846
The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.
- CVSS 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 8.90% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-824
- Affected
- mit/kerberos 5 · fedoraproject/fedora · canonical/ubuntu linux · apple/mac os x · redhat/enterprise linux · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux workstation
- Source
- cve@mitre.org
References
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.htmlMailing List
- http://lists.vmware.com/pipermail/security-announce/2009/000059.htmlBroken Link
- http://marc.info/?l=bugtraq&m=124896429301168&w=2Third Party Advisory
- http://marc.info/?l=bugtraq&m=130497213107107&w=2Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2009-0409.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2009-0410.htmlThird Party Advisory
- http://secunia.com/advisories/34594Broken Link
- http://secunia.com/advisories/34598Broken Link
- http://secunia.com/advisories/34617Broken Link
- http://secunia.com/advisories/34622Broken Link
- http://secunia.com/advisories/34628Broken Link
- http://secunia.com/advisories/34630Broken Link
- http://secunia.com/advisories/34637Broken Link
- http://secunia.com/advisories/34640Broken Link
- http://secunia.com/advisories/34734Broken Link
- http://secunia.com/advisories/35074Broken Link
- http://secunia.com/advisories/35667Broken Link
- http://security.gentoo.org/glsa/glsa-200904-09.xmlThird Party Advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1Broken Link
- http://support.apple.com/kb/HT3549Third Party Advisory
- http://support.avaya.com/elmodocs2/security/ASA-2009-142.htmThird Party Advisory
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.htmlBroken Link
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.htmlBroken Link
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-002.txtPatch, Vendor Advisory
- http://wiki.rpath.com/Advisories:rPSA-2009-0058Broken Link
- http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058Broken Link
- http://www-01.ibm.com/support/docview.wss?uid=swg21396120Broken Link
- http://www.kb.cert.org/vuls/id/662091Broken Link, Third Party Advisory, US Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:098Broken Link
- http://www.redhat.com/support/errata/RHSA-2009-0408.htmlBroken Link
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.