CVE-2012-5642
server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified
02 Description
server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.12% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 87.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-12-31 11:00Z13 YR AGO
- Last updated
- 2024-08-06 21:14Z2 YR AGO
- Reserved
- 2012-10-24
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- e4ffc49c76a8ececb45b5cf4e48afae1c906872e3f3b38e24806bccad8928308
05 Affected products
06 References
- www.openwall.com[oss-security] 20121217 Re: CVE request: fail2ban 0.8.8 fixes an input variable quoting flaw on <matches> contenthttp://www.openwall.com/lists/oss-security/2012/12/17/2
- github.comhttps://github.com/fail2ban/fail2ban/commit/83109bc
- sourceforge.net[fail2ban-users] 20121206 0.8.8 releasehttp://sourceforge.net/mailarchive/message.php?msg_id=30193056
- raw.github.comhttps://raw.github.com/fail2ban/fail2ban/master/ChangeLog
- bugs.gentoo.orghttps://bugs.gentoo.org/show_bug.cgi?id=447572
- lists.opensuse.orgopenSUSE-SU-2013:0567http://lists.opensuse.org/opensuse-updates/2013-04/msg00002.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=887914
- www.mandriva.comMDVSA-2013:078http://www.mandriva.com/security/advisories?name=MDVSA-2013:078
- lists.opensuse.orgopenSUSE-SU-2013:0566http://lists.opensuse.org/opensuse-updates/2013-04/msg00001.html
07 Fixed in
Debian 12
- fail2ban Fixed in 0.8.6-3wheezy1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- fail2ban Fixed in 0.8.6-3wheezy1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- fail2ban Fixed in 0.8.6-3wheezy1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.