High severity · published Aug 13, 2020
CVE-2020-16303
A use-after-free vulnerability in xps_finish_image_path() in devices/vector/gdevxps.c of Artifex Software GhostScript v9.50 allows a remote attacker to escalate privileges via a…
7.8
CVSS
1.8%
EPSS
No
On KEV
Description
A use-after-free vulnerability in xps_finish_image_path() in devices/vector/gdevxps.c of Artifex Software GhostScript v9.50 allows a remote attacker to escalate privileges via a crafted PDF file. This is fixed in v9.51.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
GH
Ghostscript · Artifex
9.50 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-16303
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-16303
Exploit
https://bugs.ghostscript.com/show_bug.cgi?id=701818
git.ghostscript.com
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=94d8955cb77
Mailing List
https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html
Third Party Advisory
https://security.gentoo.org/glsa/202008-20
Third Party Advisory
https://usn.ubuntu.com/4469-1/
Third Party Advisory
https://www.debian.org/security/2020/dsa-4748
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