CVE-2007-3946

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    CVE-2007-3946

    Published: 24 Jul 2007Last Modified: 10 Apr 2026

    Summary:

    Details: mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving (1) a memory leak, (2) use of md5-sess without a cnonce, (3) base64 encoded strings, and (4) trailing whitespace in the Auth-Digest header.

    References: http://secunia.com/advisories/26158, http://secunia.com/advisories/26505, http://secunia.com/advisories/26593, http://security.gentoo.org/glsa/glsa-200708-11.xml, http://www.debian.org/security/2007/dsa-1362, http://www.novell.com/linux/security/advisories/2007_15_sr.html, http://www.vupen.com/english/advisories/2007/2585, http://secunia.com/advisories/26130, http://osvdb.org/38314, http://osvdb.org/38315, http://osvdb.org/38316, http://osvdb.org/38317, http://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875, http://trac.lighttpd.net/trac/changeset/1875, http://www.securityfocus.com/archive/1/474131/100/0/threaded, http://www.securityfocus.com/bid/24967, https://issues.rpath.com/browse/RPL-1550, https://issues.rpath.com/browse/RPL-1554

    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