CVE-2020-16297: Buffer Overflow
First published: Thu Aug 13 2020(Updated: )
A buffer overflow vulnerability in FloydSteinbergDitheringC() in contrib/gdevbjca.c of Artifex Software GhostScript 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/ghostscript | <9.51 | 9.51 |
| Ghostscript | >=9.18<9.52 | |
| Debian Linux | =9.0 | |
| Debian Linux | =10.0 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =20.04 | |
| Ghostscript | <9.52 | |
| debian/ghostscript | 9.53.3~dfsg-7+deb11u7 9.53.3~dfsg-7+deb11u10 10.0.0~dfsg-11+deb12u6 10.0.0~dfsg-11+deb12u7 10.05.0~dfsg-1 |
Remedy
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=bf72f1a3dd5392ee8291e3b1518a0c2c5dc6ba39
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Reference Links
- https://bugs.ghostscript.com/show_bug.cgi?id=701800
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=bf72f1a3dd5392ee8291e3b1518a0c2c5dc6ba39
- https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html
- https://www.debian.org/security/2020/dsa-4748
- https://security.gentoo.org/glsa/202008-20
- https://usn.ubuntu.com/4469-1/
- https://launchpad.net/bugs/cve/CVE-2020-16297
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1870228
- https://access.redhat.com/errata/RHSA-2021:1852
- https://access.redhat.com/security/cve/cve-2020-16297
- https://bugzilla.redhat.com/show_bug.cgi?id=1870227
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16297
- https://nvd.nist.gov/vuln/detail/CVE-2020-16297
- https://security-tracker.debian.org/tracker/CVE-2020-16297
- https://ubuntu.com/security/CVE-2020-16297
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=bf72f1a3dd5392ee8291e3b1518a0c2c5dc6ba39
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=bf72f1a3dd5392ee8291e3b1518a0c2c5dc6ba39
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/tree/contrib/gdevbjca.c?h=ghostpdl-9.18#n659
Frequently Asked Questions
What is the vulnerability ID of this buffer overflow vulnerability in GhostScript?
The vulnerability ID is CVE-2020-16297.
What is the affected software?
The affected software is GhostScript.
What is the severity rating of CVE-2020-16297?
The severity rating of CVE-2020-16297 is medium.
How can a remote attacker exploit this vulnerability?
A remote attacker can exploit this vulnerability by sending a crafted PDF file.
How can I fix this vulnerability in GhostScript?
You can fix this vulnerability by updating to GhostScript version 9.51.
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