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ubuntuUbuntuUSN-6467-1
HistoryNov 01, 2023 - 12:00 a.m.

Kerberos vulnerability

2023-11-0100:00:00
ubuntu.com
26
kerberos
ubuntu
esm
memory access
rpc
kadmind
denial of service

7 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

67.5%

Releases

  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • krb5 - MIT Kerberos Network Authentication Protocol

Details

Robert Morris discovered that Kerberos did not properly handle memory
access when processing RPC data through kadmind, which could lead to the
freeing of uninitialized memory. An authenticated remote attacker could
possibly use this issue to cause kadmind to crash, resulting in a denial
of service.