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.
CVSS Details
- CVSS 3.1 Base Score: 5.3
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade fail2ban | Jul 30, 2024 | Feb 1, 2014 |
| Gentoo Linux | — | Upgrade net-analyzer/fail2ban. | Oct 30, 2017 | Feb 1, 2014 |
| Suse | — | Upgrade fail2ban | Mar 10, 2014 | Feb 1, 2014 |
| Ubuntu | — | Upgrade fail2ban | Nov 19, 2024 | Feb 1, 2014 |
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