CVE-2013-6890

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.

Risk Information

Base Score

7.5

MODERATE

Vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

10.971

Associated Vulnerability

Vulnerability	OS Platform
denyhosts security update(DSA-2826-1) denyhosts_2.10-2_all.deb	Linux
denyhosts regression update(DSA-2826-2) denyhosts_2.10-2_all.deb	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234