CVE-2007-3123

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    CVE-2007-3123

    Published: 7 Jun 2007Last Modified: 10 Apr 2026

    Summary:

    Details: unrar.c in libclamav in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to cause a denial of service (core dump) via a crafted RAR file with a modified vm_codesize value, which triggers a heap-based buffer overflow.

    References: http://secunia.com/advisories/25523, http://secunia.com/advisories/25525, http://secunia.com/advisories/25688, http://secunia.com/advisories/25796, http://security.gentoo.org/glsa/glsa-200706-05.xml, http://www.debian.org/security/2007/dsa-1320, http://www.novell.com/linux/security/advisories/2007_33_clamav.html, http://lurker.clamav.net/message/20070530.224918.5c64abc4.en.html, https://wwws.clamav.net/bugzilla/show_bug.cgi?id=521, http://kolab.org/security/kolab-vendor-notice-15.txt, http://osvdb.org/35522, http://svn.clamav.net/svn/clamav-devel/trunk/ChangeLog, http://www.securityfocus.com/bid/24289, https://exchange.xforce.ibmcloud.com/vulnerabilities/34778

    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