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AUSCERT External Security Bulletin Redistribution
ESB-2023.3876
USN-6213-1: Ghostscript vulnerability
11 July 2023
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AusCERT Security Bulletin Summary
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Product: Ghostscript
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2023-36664
Original Bulletin:
https://ubuntu.com/security/notices/USN-6213-1
Comment: CVSS (Max): 9.8 CVE-2023-36664 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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USN-6213-1: Ghostscript vulnerability
10 July 2023
Ghostscript could be made to run programs if it opened a specially crafted
file.
Releases
o Ubuntu 23.04
o Ubuntu 22.10
o Ubuntu 22.04 LTS
o Ubuntu 20.04 LTS
Packages
o ghostscript – PostScript and PDF interpreter
Details
It was discovered that Ghostscript incorrectly handled pipe devices. If a
user or automated system were tricked into opening a specially crafted PDF
file, a remote attacker could use this issue to execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 23.04
o ghostscript – 10.0.0~dfsg1-0ubuntu1.2
Ubuntu 22.10
o ghostscript – 9.56.1~dfsg1-0ubuntu3.2
Ubuntu 22.04
o ghostscript – 9.55.0~dfsg1-0ubuntu5.3
Ubuntu 20.04
o ghostscript – 9.50~dfsg-5ubuntu4.8
In general, a standard system update will make all the necessary changes.
References
o CVE-2023-36664
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