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ASA-201811-3
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[ASA-201811-3] ghostscript: sandbox escape
Arch Linux Security Advisory ASA-201811-3 ========================================= Severity: High Date : 2018-11-06 CVE-ID :
CVE-2018-17961
CVE-2018-18073
CVE-2018-18284
Package :
ghostscript
Type : sandbox escape Remote : Yes Link :
https://security.archlinux.org/AVG-786
Summary ======= The package
ghostscript
before version 9.25-4 is vulnerable to sandbox escape. Resolution ========== Upgrade to 9.25-4. # pacman -Syu "
ghostscript
>=9.25-4" The problems have been fixed upstream but no release is available yet. Workaround ========== None. Description =========== -
CVE-2018-17961
(sandbox escape) Artifex
Ghostscript
9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup. -
CVE-2018-18073
(sandbox escape) Artifex
Ghostscript
allows attackers to bypass a sandbox protection mechanism by leveraging exposure of system operators in the saved execution stack in an error object. -
CVE-2018-18284
(sandbox escape) Artifex
Ghostscript
9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving the 1Policy operator. Impact ====== A remote attacker is able to escape the sandbox via a specially crafted PostScript document. References ==========
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a54c9e61e7d02bbc620bcba9b1c208462a876afb
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a5a9bf8c6a63aa4ac6874234fe8cd63e72077291
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a6807394bd94b708be24758287b606154daaaed9
https://www.openwall.com/lists/oss-security/2018/10/09/4
https://bugs.chromium.org/p/project-zero/issues/detail?id=1682&desc=2
https://bugs.ghostscript.com/show_bug.cgi?id=699816
https://lists.debian.org/debian-lts-announce/2018/10/msg00013.html
https://www.exploit-db.com/exploits/45573/
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=34cc326eb2c5695833361887fe0b32e8d987741c
http://packetstormsecurity.com/files/149758/Ghostscript-Exposed-System-Operators.html
http://www.openwall.com/lists/oss-security/2018/10/10/12
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=8d19fdf63f91f50466b08f23e2d93d37a4c5ea0b
https://www.openwall.com/lists/oss-security/2018/10/16/2
https://bugs.chromium.org/p/project-zero/issues/detail?id=1696
https://bugs.ghostscript.com/show_bug.cgi?id=699963
https://security.archlinux.org/CVE-2018-17961
https://security.archlinux.org/CVE-2018-18073
https://security.archlinux.org/CVE-2018-18284