HIGH🇵🇱 Wersja polska

CVE-2022-39958

CVSS 7.5v3.1pub. 2022-09-20upd. 2025-11-03

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.

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

  • Debian

    OS
    Debian
    10.0

  • Fedora Project Fedora

    OS
    Fedoraproject
    353637

  • Owasp Modsecurity Core Rule Set

    APP
    Owasp
    3.0.0 – 3.2.2 (bez)3.3.0 – 3.3.3 (bez)
🔵
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
Tags
Firewall
CWE
References

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