Linux Kernel 2.6.16.9 tcf_act_police_dump resource management

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

A vulnerability was found in Linux Kernel 2.6.16.9 (Operating System). It has been rated as problematic. Affected by this issue is the function tcf_act_police_dump. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality. CVE summarizes:

The tcf_act_police_dump function in net/sched/act_police.c in the actions implementation in the network queueing functionality in the Linux kernel before 2.6.36-rc4 does not properly initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel memory via vectors involving a dump operation. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-2942.

The issue has been introduced in 03/20/2006. The weakness was published 09/21/2010 by Eugene Teo as confirmed git commit (GIT Repository). The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2010-3477. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1646 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 50790 (CentOS 4 : kernel (CESA-2010:0779)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119701 (VMware ESX Updates to Third Party Libraries and ESX Service Console (VMSA-2011-0012)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the databases at X-Force (61959) and Tenable (50790). Similar entries are available at 55628, 54954, 54791 and 54636.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 50790
Nessus Name: CentOS 4 : kernel (CESA-2010:0779)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 68662
OpenVAS Name: Debian Security Advisory DSA 2126-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 0f04cfd098fb81fded74e78ea1a1b86cc6c6c31e

Timelineinfo

03/20/2006 🔍
08/18/2010 +1612 days 🔍
08/18/2010 +0 days 🔍
09/21/2010 +33 days 🔍
09/21/2010 +0 days 🔍
09/21/2010 +0 days 🔍
10/24/2010 +33 days 🔍
03/19/2015 +1607 days 🔍
09/25/2021 +2382 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2010:0779
Researcher: Eugene Teo
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-3477 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 61959
Vulnerability Center: 27823 - Linux kernel Before 2.6.36-rc4 Local Information Disclosure Vulnerability, Medium
SecurityFocus: 42529 - Linux Kernel 'net/sched/act_police.c' File Memory Leak Local Information Disclosure Vulnerability
Secunia: 42890

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 09/25/2021 10:17
Changes: 03/19/2015 14:37 (66), 03/08/2017 15:25 (12), 09/25/2021 10:06 (7), 09/25/2021 10:12 (1), 09/25/2021 10:17 (2)
Complete: 🔍

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