CVE-2009-4212

Publication date 12 January 2010

Last updated 24 July 2024

Ubuntu priority

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.

Status

Show unmaintained releases

No maintained releases are affected by this CVE.

Package	Ubuntu Release	Status
krb5	9.10 karmic	Fixed 1.7dfsg~beta3-1ubuntu0.3
	9.04 jaunty	Fixed 1.6.dfsg.4~beta1-5ubuntu2.2
	8.10 intrepid	Fixed 1.6.dfsg.4~beta1-3ubuntu0.3
	8.04 LTS hardy	Fixed 1.6.dfsg.3~beta1-2ubuntu1.3
	6.06 LTS dapper	Fixed 1.4.3-5ubuntu0.10

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References

MITRE
NVD
Launchpad
Debian

Related Ubuntu Security Notices (USN)

USN-881-1
Kerberos vulnerability
12 January 2010

Other references

https://www.cve.org/CVERecord?id=CVE-2009-4212