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CVE-2007-4321

Publication date 14 August 2007

Last updated 24 July 2024

Ubuntu priority

Unknown

Why this priority?

fail2ban 0.8 and earlier does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a client protocol version identification containing an IP address string, a different vector than CVE-2006-6302.

Status

Package Ubuntu Release Status
fail2ban 9.10 karmic
Fixed 0.8.0-4
9.04 jaunty
Fixed 0.8.0-4
8.10 intrepid
Fixed 0.8.0-4
8.04 LTS hardy
Fixed 0.8.0-4
7.10 gutsy
Fixed 0.8.0-4
7.04 feisty Ignored end of life, was needed
6.10 edgy Ignored end of life, was needed
6.06 LTS dapper Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
fail2ban