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AUSCERT External Security Bulletin Redistribution
ESB-2020.1234
USN-4322-1: GnuTLS vulnerability
8 April 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: GnuTLS
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-11501
Reference: ESB-2020.1211
Original Bulletin:
https://usn.ubuntu.com/4322-1/
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USN-4322-1: GnuTLS vulnerability
7 April 2020
gnutls28 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.10
Summary
GnuTLS could expose sensitive information over the network.
Software Description
o gnutls28 - GNU TLS library
Details
It was discovered that GnuTLS incorrectly handled randomness when performing
DTLS negotiation. A remote attacker could possibly use this issue to obtain
sensitive information, contrary to expectations.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 19.10
libgnutls30 - 3.6.9-5ubuntu1.1
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-2020-11501
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