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Debian Security Advisory DSA 1456-1 (fail2ban)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

6.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

16 years ago

Modified

Modified

6 years ago

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

Common Vulnerabilities and Exposures (CVE)