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AUSCERT External Security Bulletin Redistribution
ESB-2020.2585
USN-4442-1: Sympa vulnerabilities
29 July 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: Sympa
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Root Compromise -- Existing Account
Modify Arbitrary Files -- Existing Account
Cross-site Scripting -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-10936 CVE-2018-1000671 CVE-2018-1000550
Reference: ESB-2020.1879
ESB-2018.2825
ESB-2018.2640
Original Bulletin:
https://usn.ubuntu.com/4442-1/
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USN-4442-1: Sympa vulnerabilities
28 July 2020
sympa vulnerabilities
Releases
o Ubuntu 14.04 ESM
Packages
o sympa - Modern mailing list manager
Details
Michael Kaczmarczik discovered that Sympa incorrectly handled HTTP
GET/POST requests. An attacker could possibly use this issue to insert,
edit or obtain sensitive information. (CVE-2018-1000550)
It was discovered that Sympa incorrectly handled URL parameters. An
attacker could possibly use this issue to perform XSS attacks.
(CVE-2018-1000671)
Nicolas Chatelain discovered that Sympa incorrectly handled environment
variables. An attacker could possibly use this issue with a setuid
binary and gain root privileges. (CVE-2020-10936)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 14.04
o sympa - 6.1.17~dfsg-1ubuntu0.1~esm1
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-10936
o CVE-2018-1000550
o CVE-2018-1000671
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