USN-6499-2: GnuTLS vulnerability
8 January 2024
GnuTLS could be made to expose sensitive information over the network.
Releases
Packages
- gnutls28 - GNU TLS library
Details
USN-6499-1 fixed vulnerabilities in GnuTLS. This update provides the
corresponding update for Ubuntu 18.04 LTS.
Original advisory details:
It was discovered that GnuTLS had a timing side-channel when handling
certain RSA-PSK key exchanges. A remote attacker could possibly use this
issue to recover sensitive information.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
-
libgnutls30
-
3.5.18-1ubuntu1.6+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.