CVE-2015-4156

NameCVE-2015-4156
DescriptionGNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs787954

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
parallel (PTS)bullseye20161222-1.1fixed
bookworm20221122+ds-2fixed
sid, trixie20240222+ds-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
parallelsource(unstable)20161222-1unimportant787954

Notes

https://lists.gnu.org/archive/html/parallel/2015-04/msg00045.html
https://lists.gnu.org/archive/html/parallel/2015-05/msg00024.html
Not exploitable with kernel hardening since wheezy

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