VDB-4232 · BID 45086 · SA42421

NetBSD up to 5.0.x TCP/IP Stack udp6_output.c udp6_output opt denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in NetBSD up to 5.0.x and classified as problematic. This affects the function udp6_output of the file sys/netinet6/udp6_output.c of the component TCP/IP Stack. Such manipulation of the argument opt leads to denial of service. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in NetBSD up to 5.0.x (Operating System). Affected by this issue is the function udp6_output of the file sys/netinet6/udp6_output.c of the component TCP/IP Stack. The manipulation of the argument opt 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 availability.

The weakness was disclosed 11/30/2010 by Clement Lecigne (Website). The advisory is shared for download at ftp.netbsd.org. The attack may be launched remotely. Technical details as well as a private exploit are known.

Upgrading to version 5.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at ftp.netbsd.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 45086†), OSVDB (69517†) and Secunia (SA42421†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Unproven
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NetBSD 5.1
Patch: ftp.netbsd.org

Timelineinfo

11/29/2010 🔍
11/29/2010 +0 days 🔍
11/29/2010 +0 days 🔍
11/30/2010 +1 days 🔍
11/30/2010 +0 days 🔍
11/30/2010 +0 days 🔍
12/20/2010 +20 days 🔍
04/24/2018 +2682 days 🔍

Sourcesinfo

Advisory: ftp.netbsd.org
Researcher: Clement Lecigne
Status: Not defined

GCVE (VulDB): GCVE-100-4232
SecurityFocus: 45086 - NetBSD 'udp6_output()' Remote Denial of Service Vulnerability
Secunia: 42421 - NetBSD "udp6_output()" Denial of Service Vulnerability, Moderately Critical
OSVDB: 69517 - NetBSD sys/netinet6/udp6_output.c udp6_output() UDP6 Datagram Packet DoS

Entryinfo

Created: 12/20/2010 01:00
Updated: 04/24/2018 08:47
Changes: 12/20/2010 01:00 (64), 04/24/2018 08:47 (1)
Complete: 🔍
Cache ID: 216::103

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

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