CVE-2022-39958

The OWASP ModSecurity Core Rule Set (CRS) is affected by a response body bypass to sequentially exfiltrate small and undetectable sections of data by repeatedly submitting an HTTP Range header field with a small byte range. A restricted resource, access to which would ordinarily be detected, may be exfiltrated from the backend, despite being protected by a web application firewall that uses CRS. Short subsections of a restricted resource may bypass pattern matching techniques and allow undetected access. 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 and to configure a CRS paranoia level of 3 or higher.

Link	Resource
https://coreruleset.org/20220919/crs-version-3-3-3-and-3-2-2-covering-several-cves/	Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PD56EAYNGB6E6QQH62LAYCONOP6OH5DZ/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YPQ6CCMX3MU4A7MTCGQJA7VMJW3IQDXV/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HL2L2GF7GOCWPMJZDUE5OXDSXHGG3XUJ/	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00033.html	Mailing List Third Party Advisory

Configuration 1

cpe:2.3:a:owasp:owasp_modsecurity_core_rule_set:*:*:*:*:*:*:*:* cpe:2.3:a:owasp:owasp_modsecurity_core_rule_set:*:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

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Published : 2022-09-20 07:15

Updated : 2023-02-16 07:20

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NVD link : CVE-2022-39958

Mitre link : CVE-2022-39958

No products.

CWE-116

Improper Encoding or Escaping of Output