CVE-2009-4212
Multiple integer underflows in the (1) AES and (2) RC4 decryption functionality in the crypto library in MIT Kerberos 5 (aka krb5) 1.3 through 1.6.3, and 1.7 before 1.7.1, allow remote attackers to cause a denial of service (daemon crash) or possibly…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Multiple integer underflows in the (1) AES and (2) RC4 decryption functionality in the crypto library in MIT Kerberos 5 (aka krb5) 1.3 through 1.6.3, and 1.7 before 1.7.1, allow remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by providing ciphertext with a length that is too short to be valid.
- CVSS 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 7.41% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- mit/kerberos · mit/kerberos 5
- Source
- cve@mitre.org
References
- http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-January/033915.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-January/033919.html
- http://marc.info/?l=bugtraq&m=130497213107107&w=2
- http://secunia.com/advisories/38080
- http://secunia.com/advisories/38108
- http://secunia.com/advisories/38126
- http://secunia.com/advisories/38140
- http://secunia.com/advisories/38184
- http://secunia.com/advisories/38203
- http://secunia.com/advisories/38696
- http://secunia.com/advisories/40220
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-275530-1
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021779.1-1
- http://support.apple.com/kb/HT4188
- http://support.avaya.com/css/P8/documents/100074869
- http://ubuntu.com/usn/usn-881-1
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-004.txtPatch, Vendor Advisory
- http://www.debian.org/security/2010/dsa-1969
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:006
- http://www.securityfocus.com/bid/37749
- http://www.securitytracker.com/id?1023440
- http://www.vupen.com/english/advisories/2010/0096
- http://www.vupen.com/english/advisories/2010/0129
- http://www.vupen.com/english/advisories/2010/1481
- https://bugzilla.redhat.com/show_bug.cgi?id=545015Patch
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11272
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7357
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8192
- https://rhn.redhat.com/errata/RHSA-2010-0029.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.