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AUSCERT External Security Bulletin Redistribution
ESB-2020.3654
USN-4598-1: LibEtPan vulnerability
23 October 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: LibEtPan
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-15953
Reference: ESB-2020.2822
Original Bulletin:
https://usn.ubuntu.com/4598-1/
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USN-4598-1: LibEtPan vulnerability
22 October 2020
LibEtPan could be made to expose sensitive information over the network.
Releases
o Ubuntu 16.04 LTS
Packages
o libetpan - Mail Framework for C Language
Details
It was discovered that LibEtPan incorrectly handled STARTTLS when using
IMAP, SMTP and POP3. A remote attacker could possibly use this issue
to perform a response injection attack. (CVE-2020-15953)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 16.04
o libetpan-dev - 1.6-1ubuntu0.1
o libetpan17 - 1.6-1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-15953
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