Published:
28 April 2020
Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.1449
USN-4340-1: CUPS vulnerabilities
28 April 2020
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AusCERT Security Bulletin Summary
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Product: CUPS
Publisher: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-3898 CVE-2019-2228
Reference: ESB-2020.1422
ESB-2019.4776
Original Bulletin:
https://usn.ubuntu.com/4340-1/
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USN-4340-1: CUPS vulnerabilities
27 April 2020
cups vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 20.04 LTS
o Ubuntu 19.10
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Several security issues were fixed in CUPS.
Software Description
o cups - Common UNIX Printing System
Details
It was discovered that CUPS incorrectly handled certain language values. A
local attacker could possibly use this issue to cause CUPS to crash, leading to
a denial of service, or possibly obtain sensitive information. This issue only
applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 19.10.
(CVE-2019-2228)
Stephan Zeisberg discovered that CUPS incorrectly handled certain malformed ppd
files. A local attacker could possibly use this issue to execute arbitrary
code. (CVE-2020-3898)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04 LTS
cups - 2.3.1-9ubuntu1.1
Ubuntu 19.10
cups - 2.2.12-2ubuntu1.1
Ubuntu 18.04 LTS
cups - 2.2.7-1ubuntu2.8
Ubuntu 16.04 LTS
cups - 2.1.3-4ubuntu0.11
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
References
o CVE-2019-2228
o CVE-2020-3898
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