Fail2Ban
CVE-2013-7177
MEDIUM
Severity by source
AV:N/AC:L/Au:N/C:N/I:N/A:P
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Lifecycle Timeline
1DescriptionCVE.org
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.
AnalysisAI
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. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
Technical ContextAI
This vulnerability is classified under CWE-20. 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. Affected products include: Fail2Ban. Version information: before 0.8.11.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
fail2ban is a daemon to ban hosts that cause multiple authentication errors. Rated high severity (CVSS 8.1), this vulner
config/filter.d/postfix.conf in the postfix filter in Fail2ban before 0.8.11 allows remote attackers to trigger the bloc
server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow rem
The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.1
Same weakness CWE-20 – Improper Input Validation
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today