denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2013-12-23T22:00:00

Updated: 2024-08-06T17:53:44.689Z

Reserved: 2013-11-28T00:00:00

Link: CVE-2013-6890

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2013-12-23T22:55:03.050

Modified: 2013-12-24T17:16:38.120

Link: CVE-2013-6890

cve-icon Redhat

No data.