CVE-2018-6198

NameCVE-2018-6198
Descriptionw3m through 0.5.3 does not properly handle temporary files when the ~/.w3m directory is unwritable, which allows a local attacker to craft a symlink attack to overwrite arbitrary files.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs888097

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
w3m (PTS)bullseye0.5.3+git20210102-6+deb11u1fixed
sid, trixie, bookworm0.5.3+git20230121-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
w3msourcestretch0.5.3-34+deb9u1
w3msource(unstable)0.5.3-36unimportant888097

Notes

https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753
Neutralised by kernel hardening

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