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Status published
Medium
CVE-2013-6890
denyhosts 2.6 uses an incorrect regular expression when analyzing authentication...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
debian
View all reports →Affected Software
debian linux, fedora, denyhosts
Vulnerable Versions:
6.0, 7.0, 7.1, 2.6
Timeline
Official Publish:
December 23rd, 2013
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.