CVE-2015-1418 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://rachelbythebay.com/w/2018/04/05/bangpatch/ http://www.securityfocus.com/bid/76236 http://www.securitytracker.com/id/1033188 https://bugs.debian.org/894667 https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/013_patch.patch.sig https://www.freebsd.org/security/advisories/FreeBSD-SA-15:18.bsdpatch.asc

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8