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USN-881-1: Kerberos vulnerability

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USN-881-1: Kerberos vulnerability

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
01/13/2010
Created
07/25/2018
Added
05/06/2013
Modified
07/09/2020

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.

Solution(s)

  • ubuntu-upgrade-libk5crypto3
  • ubuntu-upgrade-libkrb53

References

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