USN-4384-1: GnuTLS vulnerability
gnutls28 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 19.10
Summary
GnuTLS could be made to expose sensitive information.
Software Description
- gnutls28 – GNU TLS library
Details
It was discovered that GnuTLS incorrectly handled session ticket encryption
keys. A remote attacker could possibly use this issue to bypass
authentication or recover sensitive information.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 20.04 LTS
- libgnutls30 – 3.6.13-2ubuntu1.1
- Ubuntu 19.10
- libgnutls30 – 3.6.9-5ubuntu1.2
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
Source: USN-4384-1: GnuTLS vulnerability
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