PoPToP PPTP Server up to 1.3.3 pptpgre.c denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in PoPToP PPTP Server up to 1.3.3. This affects an unknown function of the file pptpgre.c. Such manipulation leads to denial of service. This vulnerability is traded as CVE-2007-0244. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in PoPToP PPTP Server up to 1.3.3. Affected by this issue is an unknown part of the file pptpgre.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

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.

The bug was discovered 04/16/2007. The weakness was shared 05/11/2007 with Debian (Website). The advisory is shared for download at debian.org. This vulnerability is handled as CVE-2007-0244 since 01/16/2007. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 25 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 25263 (GLSA-200705-18 : PPTPD: Denial of Service attack), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading to version 1.3.4 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (25263), SecurityFocus (BID 23886†), OSVDB (41981†), Secunia (SA25220†) and SecurityTracker (ID 1018064†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25263
Nessus Name: GLSA-200705-18 : PPTPD: Denial of Service attack
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 58339
OpenVAS Name: Debian Security Advisory DSA 1288-1 (pptpd)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: PPTP Server 1.3.4

Timelineinfo

01/16/2007 🔍
04/16/2007 +90 days 🔍
05/08/2007 +22 days 🔍
05/08/2007 +0 days 🔍
05/11/2007 +3 days 🔍
05/11/2007 +0 days 🔍
05/11/2007 +0 days 🔍
05/14/2007 +3 days 🔍
05/15/2007 +1 days 🔍
05/20/2007 +5 days 🔍
05/20/2007 +0 days 🔍
03/13/2015 +2854 days 🔍
07/19/2019 +1589 days 🔍

Sourcesinfo

Advisory: debian.org
Organization: Debian
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-0244 (🔍)
GCVE (CVE): GCVE-0-2007-0244
GCVE (VulDB): GCVE-100-36704

OVAL: 🔍

SecurityFocus: 23886 - PopTop PPTP Server GRE Packet Denial Of Service Vulnerability
Secunia: 25220
OSVDB: 41981 - PopTop - PPTP Server - GRE - Denial Of Service Issue
SecurityTracker: 1018064
Vulnerability Center: 15084 - PoPToP PPTP Server Denial of Service via GRE Packets, Medium
Vupen: ADV-2007-1743

Entryinfo

Created: 03/13/2015 14:56
Updated: 07/19/2019 07:23
Changes: 03/13/2015 14:56 (83), 07/19/2019 07:23 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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