CVE-2020-17538

Public Exploit

Description

A buffer overflow vulnerability in GetNumSameData() in contrib/lips4/gdevlips.c of Artifex Software GhostScript from v9.18 to v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.06% Top 25%
Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory ghostscript.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.ghostscript.com/show_bug.cgi?id=701792 vendor advisory issue tracking exploit
https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=9f39ed4a92578a020ae10459643e1fe72573d134
https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html third party advisory mailing list
https://www.debian.org/security/2020/dsa-4748 third party advisory vendor advisory
https://security.gentoo.org/glsa/202008-20 third party advisory vendor advisory
https://usn.ubuntu.com/4469-1/ third party advisory vendor advisory
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/tree/contrib/lips4/gdevlips.c?h=ghostscript-9.18#n148
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=9f39ed4a92578a020ae10459643e1fe72573d134 broken link

Frequently Asked Questions

What is the severity of CVE-2020-17538?
CVE-2020-17538 has been scored as a medium severity vulnerability.
How to fix CVE-2020-17538?
To fix CVE-2020-17538, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-17538 being actively exploited in the wild?
It is possible that CVE-2020-17538 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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