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MEDIUM

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

Published Dec 23, 2013

Description

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.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-287

Improper Authentication

References (5)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 23, 2013
Updated Aug 6, 2024
Reserved Nov 28, 2013
Link CVE-2013-6890
CISA Vulnrichment
Updated n/a
NVD
Status Modified
Modified Jun 17, 2026
Link CVE-2013-6890
Red Hat
Severity n/a
Public date n/a
Links CVE-2013-6890
ENISA EUVD
Assigner mitre
Published Dec 23, 2013
Updated Aug 6, 2024
Exploited since n/a
Link EUVD-2013-6692
EUVD-2013-6692