CVE-2007-0244

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-05-11 · updated 2026-06-16

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.

Affected products

Poptop Pptp Server: through 1.3.3

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

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