Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2007-0244

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
11/05/2007
Last modified:
09/04/2025

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:alpha:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:amd64:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:arm:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:hppa:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:ia-32:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:ia-64:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:m68k:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:mips:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:mipsel:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:powerpc:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:s390:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:sparc:*:*:*:*:*
cpe:2.3:a:poptop:pptp_server:*:*:*:*:*:*:*:* 1.3.3 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools