USN-5901-1: GnuTLS vulnerability
28 February 2023
GnuTLS could be made to expose sensitive information over the network.
Releases
Packages
- gnutls28 - GNU TLS library
Details
Hubert Kario discovered that GnuTLS had a timing side-channel when handling
certain RSA messages. 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 22.10
Ubuntu 22.04
Ubuntu 20.04
In general, a standard system update will make all the necessary changes.