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    CVE-2007-0244

    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.

    Published:May 11, 2007
    Last Modified:Apr 23, 2026
    EPS:May 11, 2007
    EPSS Score:0.03649
    CVSS Score:5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Poptop
    Product
    Pptp Server

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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

    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