SB2023020887 - Red Hat Software Collections update for rh-varnish6-varnish
Published: February 8, 2023
Security Bulletin ID
SB2023020887
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2022-45060)
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input when handling HTTP/2 requests. A remote attacker can introduce characters through the HTTP/2 pseudo-headers that are invalid in the context of an HTTP/1 request line, causing the Varnish server to produce invalid HTTP/1 requests to the backend.
Remediation
Install update from vendor's website.