SB2022093008 - Denial of service in wolfSSL
Published: September 30, 2022 Updated: October 30, 2022
Security Bulletin ID
SB2022093008
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-39173)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing TLS 1.3 protocol requests with session tickets. A remote attacker can send a specially crafted ClientHello packet to the affected server, trigger a buffer overflow and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.