High severity · published Oct 15, 2018
CVE-2018-17961
Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup
8.6
CVSS
10%
EPSS
No
On KEV
Description
Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup. NOTE: this issue exists because of an incomplete fix for CVE-2018-17183.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)10.0% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
GH
Ghostscript · Artifex
before 9.25 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-17961
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17961
git.ghostscript.com
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=a54c9e61e7d0
git.ghostscript.com
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=a5a9bf8c6a63
git.ghostscript.com
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=a6807394bd94
Exploit
http://www.openwall.com/lists/oss-security/2018/10/09/4
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3834
Patch
https://bugs.chromium.org/p/project-zero/issues/detail?id=1682&desc=2
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