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Debian Security Advisory DSA 1456-1 (fail2ban)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to fail2ban announced via advisory DSA 1456-1.
Insight
Insight
Daniel B. Cid discovered that fail2ban, a tool to block IP addresses that cause login failures, is too liberal about parsing SSH log files, allowing an attacker to block any IP address. For the unstable distribution (sid), this problem has been fixed in version 0.8.0-4. For the stable distribution (etch), this problem has been fixed in version 0.7.5-2etch1. The old stable distribution (sarge) doesn't contain fail2ban. We recommend that you upgrade your fail2ban package.
Solution
Solution
https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201456-1