BIT-modsecurity2-2023-24021

    Dashboard / Vulnerabilities / BIT-modsecurity2-2023-24021

    BIT-modsecurity2-2023-24021

    Published: 6 Mar 2024Last Modified: 8 Sept 2026

    Summary:

    Details: Incorrect handling of '\0' bytes in file uploads in ModSecurity before 2.9.7 may allow for Web Application Firewall bypasses and buffer over-reads on the Web Application Firewall when executing rules that read the FILES_TMP_CONTENT collection.

    References: https://github.com/SpiderLabs/ModSecurity/pull/2857, https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334, https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7, https://lists.debian.org/debian-lts-announce/2023/01/msg00023.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/, https://nvd.nist.gov/vuln/detail/CVE-2023-24021

    Affected packages

    Package

    Name: modsecurity2

    Purl: pkg:bitnami/modsecurity2

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -2.9.7

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    BIT-modsecurity2-2023-24021 | CVE-DB