CVE-2011-1529

HIGH

Description

The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.

References

http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00009.html

http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt

http://www.kb.cert.org/vuls/id/659251

http://www.mandriva.com/security/advisories?name=MDVSA-2011:159

http://www.mandriva.com/security/advisories?name=MDVSA-2011:160

http://www.redhat.com/support/errata/RHSA-2011-1379.html

Details

Source: MITRE

Published: 2011-10-20

Updated: 2020-01-21

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 7.8

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

Impact Score: 6.9

Exploitability Score: 10

Severity: HIGH