CVE-2022-48337

NameCVE-2022-48337
DescriptionGNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a source-code file, because lib-src/etags.c uses the system C library function in its implementation of the etags program. For example, a victim may use the "etags -u *" command (suggested in the etags documentation) in a situation where the current working directory has contents that depend on untrusted input.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3416-1, DSA-5360-1
Debian Bugs1031730

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
emacs (PTS)buster1:26.1+1-3.2+deb10u2vulnerable
buster (security)1:26.1+1-3.2+deb10u5fixed
bullseye1:27.1+1-3.1+deb11u1vulnerable
bullseye (security)1:27.1+1-3.1+deb11u2fixed
bookworm1:28.2+1-15fixed
sid, trixie1:29.3+1-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
emacssourcebuster1:26.1+1-3.2+deb10u4DLA-3416-1
emacssourcebullseye1:27.1+1-3.1+deb11u2DSA-5360-1
emacssource(unstable)1:28.2+1-111031730

Notes

Fixed by: https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=01a4035c869b91c153af9a9132c87adb7669ea1c
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=59817
Original fix introduced memory leak:
https://bugs.debian.org/1031888
https://debbugs.gnu.org/61819
http://git.savannah.gnu.org/cgit/emacs.git/commit/?id=0fde314f6f6e6664cddab1b2f0fe20629cd39d14

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