CVE-2009-1789

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    CVE-2009-1789

    Published: 26 May 2009Last Modified: 10 Apr 2026

    Summary:

    Details: mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy. NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.

    References: http://cvs.eggheads.org/viewvc/viewvc.cgi/eggdrop1.6/doc/Changes1.6?revision=1.20&view=markup, http://secunia.com/advisories/35104, http://secunia.com/advisories/35158, http://secunia.com/advisories/35690, http://www.debian.org/security/2009/dsa-1826, http://www.mandriva.com/security/advisories?name=MDVSA-2009:126, http://www.vupen.com/english/advisories/2009/1340, http://cvs.eggheads.org/viewvc/viewvc.cgi/eggdrop1.6/doc/Changes1.6?revision=1.20&view=markup, http://www.vupen.com/english/advisories/2009/1340, http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0129.html, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=528778, http://osvdb.org/54460, http://www.securityfocus.com/archive/1/503574, http://www.securityfocus.com/bid/34985, https://exchange.xforce.ibmcloud.com/vulnerabilities/50547, https://www.exploit-db.com/exploits/8695, https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01333.html, https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01337.html

    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