CVE-2009-5023

NameCVE-2009-5023
DescriptionThe (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs544232

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
fail2ban (PTS)buster0.10.2-2.1fixed
bullseye0.11.2-2fixed
bookworm1.0.2-2fixed
sid, trixie1.1.0-4fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
fail2bansourcesqueeze0.8.4-3+squeeze1
fail2bansource(unstable)0.8.4+svn20110323-1low544232

Notes

[lenny] - fail2ban <no-dsa> (Minor issue)

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