Description
The do_ed_script function in pch.c in GNU patch through 2.7.6, and patch in FreeBSD 10.1 before 10.1-RELEASE-p17, 10.2 before 10.2-BETA2-p3, 10.2-RC1 before 10.2-RC1-p2, and 0.2-RC2 before 10.2-RC2-p1, allows remote attackers to execute arbitrary commands via a crafted patch file, because a '!' character can be passed to the ed program.
References (6)
Core 6
Core References
Various Sources x_refsource_misc
https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/013_patch.patch.sig
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/76236
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1033188
Vendor Advisory vendor-advisory
x_refsource_freebsd
https://www.freebsd.org/security/advisories/FreeBSD-SA-15:18.bsdpatch.asc
Various Sources x_refsource_misc
http://rachelbythebay.com/w/2018/04/05/bangpatch/
Issue Tracking x_refsource_misc
https://bugs.debian.org/894667
Scores
CVSS v3
7.8
EPSS
0.0607
EPSS Percentile
90.9%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-200
Status
published
Products (2)
freebsd/freebsd
10.1
freebsd/freebsd
10.2
Published
Feb 05, 2018
Tracked Since
Feb 18, 2026