CVE-2018-20969

NameCVE-2018-20969
Descriptiondo_ed_script in pch.c in GNU patch through 2.7.6 does not block strings beginning with a ! character. NOTE: this is the same commit as for CVE-2019-13638, but the ! syntax is specific to ed, and is unrelated to a shell metacharacter.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1864-1, DSA-4489-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
patch (PTS)stretch (security), stretch2.7.5-1+deb9u2fixed
buster, buster (security)2.7.6-3+deb10u1fixed
bullseye, sid2.7.6-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
patchsourcejessie2.7.5-1+deb8u3DLA-1864-1
patchsourcestretch2.7.5-1+deb9u2DSA-4489-1
patchsourcebuster2.7.6-3+deb10u1DSA-4489-1
patchsource(unstable)2.7.6-5

Notes

https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0

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