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AUSCERT External Security Bulletin Redistribution
ESB-2020.2653
USN-4445-1: Ghostscript vulnerability
4 August 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: Ghostscript
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Modify Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Read-only Data Access -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-15900
Reference: ESB-2020.2639
Original Bulletin:
https://usn.ubuntu.com/4445-1/
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USN-4445-1: Ghostscript vulnerability
03 August 2020
Ghostscript could be made to crash, access files, or run programs if it
opened a specially crafted file.
Releases
o Ubuntu 20.04 LTS
Packages
o ghostscript - PostScript and PDF interpreter
Details
It was discovered that Ghostscript incorrectly handled certain PostScript
files. If a user or automated system were tricked into processing a
specially crafted file, a remote attacker could possibly use this issue to
access arbitrary files, execute arbitrary code,
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o ghostscript - 9.50~dfsg-5ubuntu4.1
o libgs9 - 9.50~dfsg-5ubuntu4.1
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-15900
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