CVE-2022-39957

Published on: Not Yet Published

Last Modified on: 01/30/2023 09:15:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Certain versions of Fedora from Fedoraproject contain the following vulnerability:

The OWASP ModSecurity Core Rule Set (CRS) is affected by a response body bypass. A client can issue an HTTP Accept header field containing an optional "charset" parameter in order to receive the response in an encoded form. Depending on the "charset", this response can not be decoded by the web application firewall. A restricted resource, access to which would ordinarily be detected, may therefore bypass detection. 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.

  • CVE-2022-39957 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.
  • Affected Vendor/Software: URL Logo OWASP - ModSecurity Core Rule Set version = 3.0.x
  • Affected Vendor/Software: URL Logo OWASP - ModSecurity Core Rule Set version = 3.1.x
  • Affected Vendor/Software: URL Logo OWASP - ModSecurity Core Rule Set version <= 3.2.1
  • Affected Vendor/Software: URL Logo OWASP - ModSecurity Core Rule Set version <= 3.3.2

CVSS3 Score: 7.5 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH NONE NONE

CVE References

Description Tags Link
[SECURITY] Fedora 35 Update: mod_security-2.9.6-1.fc35 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2022-85a85c84b3
[SECURITY] Fedora 37 Update: mod_security_crs-3.3.4-1.fc37 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2022-1fd73a5285
[SECURITY] [DLA 3293-1] modsecurity-crs security update lists.debian.org
text/html
URL Logo MLIST [debian-lts-announce] 20230130 [SECURITY] [DLA 3293-1] modsecurity-crs security update
[SECURITY] Fedora 36 Update: mod_security-2.9.6-1.fc36 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2022-90708b46e3
CRS Version 3.3.3 and 3.2.2 (covering several CVEs) – OWASP ModSecurity Core Rule Set coreruleset.org
text/html
URL Logo CONFIRM coreruleset.org/20220919/crs-version-3-3-3-and-3-2-2-covering-several-cves/

Related QID Numbers

  • 181522 Debian Security Update for modsecurity-crs (DLA 3293-1)
  • 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)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
FedoraprojectFedora35AllAllAll
Operating
System
FedoraprojectFedora36AllAllAll
Operating
System
FedoraprojectFedora37AllAllAll
ApplicationOwaspOwasp Modsecurity Core Rule SetAllAllAllAll
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*:
  • cpe:2.3:a:owasp:owasp_modsecurity_core_rule_set:*:*:*:*:*:*:*:*:

Discovery Credit

@Karel_Origin (Karel Knibbe)

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2022-39957 : The OWASP ModSecurity Core Rule Set CRS is affected by a response body bypass. A client can issu… twitter.com/i/web/status/1… 2022-09-20 06:28:59
Reddit Logo Icon /r/netcve CVE-2022-39957 2022-09-20 07:38:16
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