Vulnerability CVE-2007-0244
Published: 2007-05-11   Modified: 2012-02-12

Description:
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.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Poptop -> Pptp server 

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