SB2023022880 - SUSE update for compat-openssl098 

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2023022880

SB2023022880 - SUSE update for compat-openssl098

Published: February 28, 2023 Updated: March 8, 2023

Security Bulletin ID SB2023022880
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information Exposure Through Timing Discrepancy (CVE-ID: CVE-2022-4304)

The vulnerability allows a remote attacker to obtain sensitive information.

The vulnerability exists due to a timing based side channel exists in the OpenSSL RSA Decryption implementation. A remote attacker can perform a Bleichenbacher style attack and decrypt data sent over the network.

To achieve a successful decryption an attacker would have to be able to send a very large number of trial messages for decryption. The vulnerability affects all RSA padding modes: PKCS#1 v1.5, RSA-OEAP and RSASVE.


Remediation

Install update from vendor's website.

References