CVE-2013-7177

Description

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.

How to fix CVE-2013-7177

To remediate CVE-2013-7177, upgrade the affected package to a fixed version below.

• Debian/fail2ban—upgrade to 0.8.11-1 or later

Is CVE-2013-7177 being exploited?

Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, < 0.8.11-1

References (1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2013-7177