Linux Kernel 2.6.14/2.6.15 PPTP NAT Helper resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel 2.6.14/2.6.15. Impacted is an unknown function of the component PPTP NAT Helper. The manipulation leads to resource management. This vulnerability is referenced as CVE-2006-0035. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.14/2.6.15 (Operating System) and classified as critical. This issue affects an unknown code of the component PPTP NAT Helper. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

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 published 01/16/2006 with Kernel Team (Website). The advisory is shared at kernel.org. The identification of this vulnerability is CVE-2006-0035. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

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†), Secunia (SA18482†) and Vulnerability Center (SBV-10329†). Similar entries are available at VDB-1984, VDB-1983, VDB-28455 and VDB-28454. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Not defined

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 +53 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 🔍
02/14/2006 +15 days 🔍
03/12/2021 +5505 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-100-1985
X-Force: 24202
SecurityFocus: 16414 - Linux Kernel Multiple Security Vulnerabilities
Secunia: 18482 - Linux Kernel Multiple Denial of Service Vulnerabilities, Moderately Critical
Vulnerability Center: 10329 - Linux Kernel Local DoS via netlink_rcv_skb Function, Medium

See also: 🔍

Entryinfo

Created: 01/23/2006 11:32
Updated: 03/12/2021 11:59
Changes: 01/23/2006 11:32 (68), 01/11/2019 13:01 (8), 03/12/2021 11:59 (3)
Complete: 🔍
Cache ID: 216:56D:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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