USN-5845-2: OpenSSL vulnerabilities
7 February 2023
Several security issues were fixed in OpenSSL.
Releases
Packages
- openssl - Secure Socket Layer (SSL) cryptographic library and tools
Details
USN-5845-1 fixed several vulnerabilities in OpenSSL. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
David Benjamin discovered that OpenSSL incorrectly handled X.400 address
processing. A remote attacker could possibly use this issue to read
arbitrary memory contents or cause OpenSSL to crash, resulting in a denial
of service. (CVE-2023-0286)
Octavio Galland and Marcel Böhme discovered that OpenSSL incorrectly
handled streaming ASN.1 data. A remote attacker could use this issue to
cause OpenSSL to crash, resulting in a denial of service, or possibly
execute arbitrary code. (CVE-2023-0215)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04
-
libssl1.0.0
-
1.0.2g-1ubuntu4.20+esm6
Available with Ubuntu Pro
Ubuntu 14.04
-
libssl1.0.0
-
1.0.1f-1ubuntu2.27+esm6
Available with Ubuntu Pro
After a standard system update you need to reboot your computer to make all
the necessary changes.
References
Related notices
- USN-5844-1: libssl-dev, openssl, libssl1.1, libssl3, libssl-doc
- USN-5845-1: libssl1.0-dev, openssl1.0, libssl1.0.0
- USN-6564-1: libnode72, nodejs, libnode-dev, nodejs-doc