USN-6622-1: OpenSSL vulnerabilities
5 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)
Sverker Eriksson discovered that OpenSSL incorrectly handled POLY1304 MAC
on the PowerPC architecture. A remote attacker could use this issue to
cause OpenSSL to crash, resulting in a denial of service, or possibly
execute arbitrary code. This issue only affected Ubuntu 22.04 LTS and
Ubuntu 23.04. (CVE-2023-6129)
It was discovered that OpenSSL incorrectly handled excessively long RSA
public keys. A remote attacker could possibly use this issue to cause
OpenSSL to consume resources, leading to a denial of service. This issue
only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-6237)
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 23.10
Ubuntu 22.04
Ubuntu 20.04
After a standard system update you need to reboot your computer to make all
the necessary changes.
References
Related notices
- USN-6632-1: libssl-doc, libssl-dev, openssl, libssl1.0.0, libssl1.1
- USN-6709-1: openssl1.0, libssl1.0.0, libssl1.0-dev