CVE-2006-6406

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    CVE-2006-6406

    Published: 10 Dec 2006Last Modified: 10 Apr 2026

    Summary:

    Details: Clam AntiVirus (ClamAV) 0.88.6 allows remote attackers to bypass virus detection by inserting invalid characters into base64 encoded content in a multipart/mixed MIME file, as demonstrated with the EICAR test file.

    References: http://secunia.com/advisories/23362, http://secunia.com/advisories/23379, http://secunia.com/advisories/23411, http://secunia.com/advisories/23460, http://www.debian.org/security/2006/dsa-1238, http://www.mandriva.com/security/advisories?name=MDKSA-2006:230, http://www.novell.com/linux/security/advisories/2006_78_clamav.html, http://www.quantenblog.net/security/virus-scanner-bypass, http://www.vupen.com/english/advisories/2006/4948, http://www.vupen.com/english/advisories/2006/5113, http://www.quantenblog.net/security/virus-scanner-bypass, http://kolab.org/security/kolab-vendor-notice-14.txt, http://www.securityfocus.com/archive/1/453654/100/0/threaded, http://www.securityfocus.com/bid/21461

    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
    CVE-2006-6406 | CVE-DB