SUSE-SU-2023:2046-1 Security update for openssl-ibmca
An attacker could bypass FIPS 140-3 restrictions by activating unauthorized ciphers due to incorrect engine handling in the OpenSSL IBM CA library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is SUSE-SU-2023:2046-1?
SUSE-SU-2023:2046-1 is a vulnerability in openssl-ibmca, published on 26 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
This update for openssl-ibmca fixes the following issues:
Upgraded openssl-ibmca to version 2.4.0 (bsc#1210058)
Provider: Adjustments for OpenSSL versions 3.1 and 3.2
Provider: Support RSA blinding
Provider: Constant-time fixes for RSA PKCS#1 v1.5 and OAEP padding
Provider: Support 'implicit rejection' option for RSA PKCS#1 v1.5 padding
Provider: Adjustments in OpenSSL config generator and example configs
Engine: EC: Cache ICA key in EC_KEY object (performance improvement)
FIPS 140-3: Correct engine handling so only the ciphers selected in the config file are activated (bsc#1210359)
Which versions are affected by SUSE-SU-2023:2046-1?
Linux distribution packages (3)
openssl-ibmca SUSE:Linux Enterprise Micro 5.4 | All versions | 2.4.0-150400.4.8.1 |
openssl-ibmca SUSE:Linux Enterprise Module for Server Applications 15 SP4 | All versions | 2.4.0-150400.4.8.1 |
openssl-ibmca openSUSE:Leap 15.4 | All versions | 2.4.0-150400.4.8.1 |
How do I fix SUSE-SU-2023:2046-1?
Upgrade to a fixed version.
Is SUSE-SU-2023:2046-1 being exploited?
There is no known exploitation of SUSE-SU-2023:2046-1 in the wild and no public exploit code.