SB2023020946 - Improper input validation in ModSecurity
Published: February 9, 2023
Security Bulletin ID
SB2023020946
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) Input validation error (CVE-ID: CVE-2022-48279)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient validation of user-supplied input when parsing HTTP multipart requests. A remote attacker can send specially crafted input to the application and bypass the Web Application Firewall.
Remediation
Install update from vendor's website.
References
- https://github.com/SpiderLabs/ModSecurity/pull/2797
- https://github.com/SpiderLabs/ModSecurity/pull/2795
- https://github.com/SpiderLabs/ModSecurity/releases/tag/v3.0.8
- https://coreruleset.org/20220919/crs-version-3-3-3-and-3-2-2-covering-several-cves/
- https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.6
- https://lists.debian.org/debian-lts-announce/2023/01/msg00023.html