Linux Kernel 2.6.14/2.6.15 PPTP NAT Helper PPTP_IN_CALL_REQUEST resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel 2.6.14/2.6.15. This issue affects some unknown processing of the component PPTP NAT Helper. Executing a manipulation of the argument PPTP_IN_CALL_REQUEST can lead to resource management. The identification of this vulnerability is CVE-2006-0035. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Linux Kernel 2.6.14/2.6.15 (Operating System) and classified as critical. This vulnerability affects an unknown part of the component PPTP NAT Helper. The manipulation of the argument PPTP_IN_CALL_REQUEST with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

The netlink_rcv_skb function in af_netlink.c in Linux kernel 2.6.14 and 2.6.15 allows local users to cause a denial of service (infinite loop) via a nlmsg_len field of 0.

The issue has been introduced in 10/27/2005. The weakness was shared 01/16/2006 with Kernel Team (Website). The advisory is shared for download at kernel.org. This vulnerability was named CVE-2006-0035 since 12/20/2005. The attack can be initiated remotely. No form of authentication is required for a successful 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 76 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115318 (Linux Kernel Multiple Security Vulnerabilities).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (24202), SecurityFocus (BID 16414†) and Secunia (SA18482†). The entries VDB-1985, VDB-1983, VDB-28455 and VDB-28454 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: kernel.org

Timelineinfo

10/27/2005 🔍
12/20/2005 +54 days 🔍
01/11/2006 +22 days 🔍
01/16/2006 +5 days 🔍
01/16/2006 +0 days 🔍
01/23/2006 +7 days 🔍
01/30/2006 +7 days 🔍
03/12/2021 +5520 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.org
Researcher: http://www.kernel.org
Organization: Kernel Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-0035 (🔍)
GCVE (CVE): GCVE-0-2006-0035
GCVE (VulDB): GCVE-100-1984
X-Force: 24202
SecurityFocus: 16414 - Linux Kernel Multiple Security Vulnerabilities
Secunia: 18482 - Linux Kernel Multiple Denial of Service Vulnerabilities, Moderately Critical
Vupen: ADV-2006-0220

See also: 🔍

Entryinfo

Created: 01/23/2006 11:32
Updated: 03/12/2021 11:52
Changes: 01/23/2006 11:32 (62), 01/11/2019 13:01 (7), 03/12/2021 11:52 (7)
Complete: 🔍
Cache ID: 216:190:103

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

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