SB2022100604 - OpenWrt update for wolfSSL
Published: October 6, 2022 Updated: October 30, 2022
Security Bulletin ID
SB2022100604
CSH 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 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-39173)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
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.