CVE-2022-39955
Summary
| CVE | CVE-2022-39955 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2022-09-20 07:15:00 UTC |
| Updated | 2023-11-07 03:50:00 UTC |
| Description | The OWASP ModSecurity Core Rule Set (CRS) is affected by a partial rule set bypass by submitting a specially crafted HTTP Content-Type header field that indicates multiple character encoding schemes. A vulnerable back-end can potentially be exploited by declaring multiple Content-Type "charset" names and therefore bypassing the configurable CRS Content-Type header "charset" allow list. An encoded payload can bypass CRS detection this way and may then be decoded by the backend. The legacy CRS versions 3.0.x and 3.1.x are affected, as well as the currently supported versions 3.2.1 and 3.3.2. Integrators and users are advised to upgrade to 3.2.2 and 3.3.3 respectively. |
Risk And Classification
Problem Types: NVD-CWE-Other
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Debian | Debian Linux | 10.0 | All | All | All |
| Operating System | Fedoraproject | Fedora | 35 | All | All | All |
| Operating System | Fedoraproject | Fedora | 36 | All | All | All |
| Operating System | Fedoraproject | Fedora | 37 | All | All | All |
| Application | Owasp | Owasp Modsecurity Core Rule Set | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| [SECURITY] Fedora 36 Update: mod_security-2.9.6-1.fc36 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| [SECURITY] Fedora 35 Update: mod_security-2.9.6-1.fc35 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| [SECURITY] Fedora 37 Update: mod_security_crs-3.3.4-1.fc37 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| OWASP ModSecurity Core Rule Set: Multiple Vulnerabilities (GLSA 202305-25) — Gentoo security | GENTOO | security.gentoo.org | |
| [SECURITY] Fedora 35 Update: mod_security-2.9.6-1.fc35 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| [SECURITY] Fedora 37 Update: mod_security_crs-3.3.4-1.fc37 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| [SECURITY] [DLA 3293-1] modsecurity-crs security update | MLIST | lists.debian.org | |
| [SECURITY] Fedora 36 Update: mod_security-2.9.6-1.fc36 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| CRS Version 3.3.3 and 3.2.2 (covering several CVEs) – OWASP ModSecurity Core Rule Set | CONFIRM | coreruleset.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
LEGACY: @terjanq (Jan Gora)
Legacy QID Mappings
- 181522 Debian Security Update for modsecurity-crs (DLA 3293-1)
- 184454 Debian Security Update for modsecurity-crs (CVE-2022-39955)
- 283212 Fedora Security Update for mod_security (FEDORA-2022-85a85c84b3)
- 283213 Fedora Security Update for mod_security (FEDORA-2022-90708b46e3)
- 283488 Fedora Security Update for mod_security (FEDORA-2022-1fd73a5285)
- 710728 Gentoo Linux OWASP ModSecurity Core Rule Set Multiple Vulnerabilities (GLSA 202305-25)