CVE-2013-7176

Public Exploit

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.84% Top 30%
Vendor Advisory opensuse.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.kb.cert.org/vuls/id/686662 third party advisory us government resource
http://lists.opensuse.org/opensuse-updates/2014-03/msg00021.html vendor advisory
http://www.debian.org/security/2014/dsa-2979 vendor advisory
https://github.com/fail2ban/fail2ban/commit/eb2f0c927257120dfc32d2450fd63f1962f38821 patch exploit

Frequently Asked Questions

What is the severity of CVE-2013-7176?
CVE-2013-7176 has been scored as a medium severity vulnerability.
How to fix CVE-2013-7176?
To fix CVE-2013-7176, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-7176 being actively exploited in the wild?
It is possible that CVE-2013-7176 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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