Description
config/filter.d/postfix.conf in the postfix filter in Fail2ban before 0.8.11 allows remote attackers to trigger the blocking of an arbitrary IP address via a crafted e-mail address that matches an improperly designed regular expression.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:N/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00021.html
- http://www.debian.org/security/2014/dsa-2979
- http://www.kb.cert.org/vuls/id/686662US Government Resource
- https://github.com/fail2ban/fail2ban/commit/eb2f0c927257120dfc32d2450fd63f1962f38821Exploit, Patch
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00021.html
- http://www.debian.org/security/2014/dsa-2979
- http://www.kb.cert.org/vuls/id/686662US Government Resource
- https://github.com/fail2ban/fail2ban/commit/eb2f0c927257120dfc32d2450fd63f1962f38821Exploit, Patch
Timeline
- Published
- Feb 1, 2014
- Last modified
- Jun 17, 2026
- NVD status
- Modified