SB2022081104 - Observable discrepancy in Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software
Published: August 11, 2022 Updated: August 11, 2022
Security Bulletin ID
SB2022081104
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Observable discrepancy (CVE-ID: CVE-2022-20866)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a logic error when the RSA key is stored in memory on a hardware platform that performs hardware-based cryptography. A remote attacker can perform a Lenstra side-channel attack and retrieve the RSA private key.
Remediation
Install update from vendor's website.