Linux Kernel 2.6.20/2.6.20.1/2.6.20.2 do_dccp_getsockopt denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 2.6.20/2.6.20.1/2.6.20.2. It has been declared as problematic. The affected element is the function do_dccp_getsockopt. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2007-1734. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.20/2.6.20.1/2.6.20.2 (Operating System) and classified as critical. Affected by this issue is the function do_dccp_getsockopt. 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 confidentiality, integrity, and availability. CVE summarizes:

The DCCP support in the do_dccp_getsockopt function in net/dccp/proto.c in Linux kernel 2.6.20 and later does not verify the upper bounds of the optlen value, which allows local users running on certain architectures to read kernel memory or cause a denial of service (oops), a related issue to CVE-2007-1730.

The issue has been introduced in 02/05/2007. The weakness was presented 03/28/2007 (Website). The advisory is shared for download at securitytracker.com. This vulnerability is handled as CVE-2007-1734 since 03/28/2007. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 51 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 28064 (Ubuntu 6.06 LTS / 6.10 / 7.04 : linux-source-2.6.15/2.6.17/2.6.20 vulnerabilities (USN-464-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (33274), Exploit-DB (3587), Tenable (28064), SecurityFocus (BID 23104†) and SecurityTracker (ID 1017820†). See VDB-33393, VDB-33200, VDB-35883 and VDB-35773 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 28064
Nessus Name: Ubuntu 6.06 LTS / 6.10 / 7.04 : linux-source-2.6.15/2.6.17/2.6.20 vulnerabilities (USN-464-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

02/05/2007 🔍
03/27/2007 +50 days 🔍
03/28/2007 +1 days 🔍
03/28/2007 +0 days 🔍
03/28/2007 +0 days 🔍
05/24/2007 +57 days 🔍
11/10/2007 +170 days 🔍
03/13/2015 +2680 days 🔍
12/30/2024 +3580 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: securitytracker.com⛔
Status: Confirmed

CVE: CVE-2007-1734 (🔍)
GCVE (CVE): GCVE-0-2007-1734
GCVE (VulDB): GCVE-100-35888
X-Force: 33274
SecurityFocus: 23104
SecurityTracker: 1017820

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/13/2015 12:16
Updated: 12/30/2024 09:14
Changes: 03/13/2015 12:16 (63), 04/13/2019 21:05 (3), 12/30/2024 09:14 (27)
Complete: 🔍
Cache ID: 216::103

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