SB2022093048 - openEuler update for mod_security_crs
Published: September 30, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2022-39958)
The vulnerability allows a remote attacker to bypass filtration rules.
The vulnerability exists due to insufficient validation of the HTTP Range header field with a small byte range. A remote attacker can exfiltrate small and undetectable sections of data by repeatedly submitting an HTTP Range header field with a small byte range.
2) Input validation error (CVE-ID: CVE-2022-39957)
The vulnerability allows a remote attacker to bypass filtration rules.
The vulnerability exists due to insufficient validation of HTTP Accept header field containing an optional "charset" parameter. A remote attacker can send a specially crafted HTTP request and bypass WAF detection.
Remediation
Install update from vendor's website.