VDB-33943 · CVE-2006-6653 · GCVE-0-2006-6653

NetBSD 2.0/3.0/3.0.1/Current accept namelen input validation

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3.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in NetBSD 2.0/3.0/3.0.1/Current. It has been rated as problematic. This affects the function Accept. This manipulation of the argument namelen causes input validation. This vulnerability appears as CVE-2006-6653. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in NetBSD 2.0/3.0/3.0.1/Current (Operating System) and classified as problematic. Affected by this vulnerability is the function accept. The manipulation of the argument namelen with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

The accept function in NetBSD-current before 20061023, NetBSD 3.0 and 3.0.1 before 20061024, and NetBSD 2.x before 20061029 allows local users to cause a denial of service (socket consumption) via an invalid (1) name or (2) namelen parameter, which may result in the socket never being closed (aka "a dangling socket").

The weakness was presented 12/19/2006 (Website). It is possible to read the advisory at securitytracker.com. This vulnerability is known as CVE-2006-6653 since 12/19/2006. The exploitation appears to be easy. Attacking locally is a requirement. The successful exploitation requires a single authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 3.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1017293†). See VDB-33945 and VDB-33944 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Operating System

Name

NetBSD

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NetBSD 3.0

Timelineinfo

11/28/2006 🔍
12/19/2006 +21 days 🔍
12/19/2006 +0 days 🔍
12/19/2006 +0 days 🔍
03/12/2015 +3005 days 🔍
08/12/2018 +1249 days 🔍

Sourcesinfo

Advisory: securitytracker.com⛔
Status: Confirmed

CVE: CVE-2006-6653 (🔍)
GCVE (CVE): GCVE-0-2006-6653
GCVE (VulDB): GCVE-100-33943
SecurityTracker: 1017293

See also: 🔍

Entryinfo

Created: 03/12/2015 22:21
Updated: 08/12/2018 07:49
Changes: 03/12/2015 22:21 (49), 08/12/2018 07:49 (5)
Complete: 🔍
Cache ID: 216::103