CVE-2007-0244

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    CVE-2007-0244

    Published: 11 May 2007Last Modified: 10 Apr 2026

    Summary:

    Details: pptpgre.c in PoPToP Point to Point Tunneling Server (pptpd) before 1.3.4 allows remote attackers to cause a denial of service (PPTP connection tear-down) via (1) GRE packets with out-of-order sequence numbers or (2) certain GRE packets that are processed using a wrong pointer and improperly dequeued.

    References: http://secunia.com/advisories/25220, http://secunia.com/advisories/25255, http://secunia.com/advisories/26987, http://security.gentoo.org/glsa/glsa-200705-18.xml, http://www.debian.org/security/2007/dsa-1288, http://www.novell.com/linux/security/advisories/2007_10_sr.html, http://www.novell.com/linux/security/advisories/2007_19_sr.html, http://www.ubuntu.com/usn/usn-459-1, http://www.ubuntu.com/usn/usn-459-2, http://www.vupen.com/english/advisories/2007/1743, http://www.debian.org/security/2007/dsa-1288, http://sourceforge.net/project/shownotes.php?release_id=501476&group_id=44827, http://www.securityfocus.com/bid/23886, http://www.securitytracker.com/id?1018064, http://www.trustix.org/errata/2007/0017/

    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