CVE-2013-5705

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    CVE-2013-5705

    Published: 15 Apr 2014Last Modified: 16 Apr 2026

    Summary:

    Details: apache2/modsecurity.c in ModSecurity before 2.7.6 allows remote attackers to bypass rules by using chunked transfer coding with a capitalized Chunked value in the Transfer-Encoding HTTP header.

    References: http://martin.swende.se/blog/HTTPChunked.html, http://www.debian.org/security/2014/dsa-2991, https://github.com/SpiderLabs/ModSecurity/commit/f8d441cd25172fdfe5b613442fedfc0da3cc333d, http://martin.swende.se/blog/HTTPChunked.html, https://github.com/SpiderLabs/ModSecurity/commit/f8d441cd25172fdfe5b613442fedfc0da3cc333d

    Affected packages

    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