Vulnerability Details : CVE-2013-7177
config/filter.d/cyrus-imap.conf in the cyrus-imap 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.
Vulnerability category: Input validation
Exploit prediction scoring system (EPSS) score for CVE-2013-7177
Probability of exploitation activity in the next 30 days: 1.69%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 86 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-7177
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2013-7177
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-7177
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https://github.com/fail2ban/fail2ban/commit/bd175f026737d66e7110868fb50b3760ff75e087
ENH: Improve cyrus-imap regex and add sample log file · fail2ban/fail2ban@bd175f0 · GitHubExploit;Patch
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http://lists.opensuse.org/opensuse-updates/2014-03/msg00021.html
openSUSE-SU-2014:0348-1: moderate: fail2ban: security and bugfix upgrade
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http://www.debian.org/security/2014/dsa-2979
Debian -- Security Information -- DSA-2979-1 fail2ban
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http://www.kb.cert.org/vuls/id/686662
VU#686662 - Fail2ban postfix and cyrus-imap filters contain denial-of-service vulnerabilitiesUS Government Resource
Products affected by CVE-2013-7177
- cpe:2.3:a:fail2ban:fail2ban:*:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.8:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.7:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.6:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.5:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.9:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.6:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.7:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.8:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.9:*:*:*:*:*:*:*