USN-6632-1: OpenSSL vulnerabilities
13 February 2024
Several security issues were fixed in OpenSSL.
Releases
Packages
- openssl - Secure Socket Layer (SSL) cryptographic library and tools
Details
David Benjamin discovered that OpenSSL incorrectly handled excessively long
X9.42 DH keys. A remote attacker could possibly use this issue to cause
OpenSSL to consume resources, leading to a denial of service.
(CVE-2023-5678)
Bahaa Naamneh discovered that OpenSSL incorrectly handled certain malformed
PKCS12 files. A remote attacker could possibly use this issue to cause
OpenSSL to crash, resulting in a denial of service. (CVE-2024-0727)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
-
libssl1.1
-
1.1.1-1ubuntu2.1~18.04.23+esm4
Available with Ubuntu Pro
Ubuntu 16.04
-
libssl1.0.0
-
1.0.2g-1ubuntu4.20+esm11
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-6622-1: libssl-dev, libssl-doc, libssl1.1, openssl, libssl3
- USN-6709-1: openssl1.0, libssl1.0-dev, libssl1.0.0