CVE-2012-1016

medium

Description

The pkinit_server_return_padata function in plugins/preauth/pkinit/pkinit_srv.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 attempts to find an agility KDF identifier in inappropriate circumstances, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted Draft 9 request.

References

http://krbdev.mit.edu/rt/Ticket/Display.html?id=7527

http://secunia.com/advisories/55040

http://web.mit.edu/kerberos/www/krb5-1.10/

https://github.com/krb5/krb5/commit/db64ca25d661a47b996b4e2645998b5d7f0eb52c

Details

Source: MITRE

Published: 2013-03-05

Updated: 2021-02-02

Type: CWE-476

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM