Linux Kernel 2.4.0/2.6.0 getsockopt denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 2.4.0/2.6.0. The impacted element is the function getsockopt. Performing a manipulation results in denial of service. This vulnerability is cataloged as CVE-2006-1343. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel 2.4.0/2.6.0 (Operating System). This affects the function getsockopt. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on confidentiality. The summary by CVE is:

net/ipv4/netfilter/ip_conntrack_core.c in Linux kernel 2.4 and 2.6, and possibly net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c in 2.6, does not clear sockaddr_in.sin_zero before returning IPv4 socket names from the getsockopt function with SO_ORIGINAL_DST, which allows local users to obtain portions of potentially sensitive memory.

The weakness was shared 03/21/2006 by Pavel Kankovsky (Website). The advisory is shared at support.avaya.com. This vulnerability is uniquely identified as CVE-2006-1343 since 03/21/2006. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed in ANSI C. The exploit is shared for download at downloads.securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 22135 (CentOS 3 : kernel (CESA-2006:0437)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117692 (CentOS Security Update for Kernel (CESA-2006:0579)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (25425), Tenable (22135), SecurityFocus (BID 17203†), OSVDB (29841†) and Secunia (SA21983†). The entries VDB-1775, VDB-2074, VDB-2108 and VDB-2114 are related to this item. 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: 4.0
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22135
Nessus Name: CentOS 3 : kernel (CESA-2006:0437)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56956
OpenVAS Name: Debian Security Advisory DSA 1097-1 (kernel-source-2.4.27)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

03/21/2006 🔍
03/21/2006 +0 days 🔍
03/21/2006 +0 days 🔍
03/21/2006 +0 days 🔍
03/23/2006 +2 days 🔍
05/17/2006 +55 days 🔍
08/03/2006 +78 days 🔍
08/04/2006 +1 days 🔍
10/19/2006 +75 days 🔍
03/12/2015 +3066 days 🔍
06/18/2019 +1559 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: support.avaya.com
Researcher: Pavel Kankovsky
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-1343 (🔍)
GCVE (CVE): GCVE-0-2006-1343
GCVE (VulDB): GCVE-100-29289

OVAL: 🔍

X-Force: 25425
SecurityFocus: 17203 - Linux Kernel Ssockaddr_In.Sin_Zero Kernel Memory Disclosure Vulnerabilities
Secunia: 21983
OSVDB: 29841 - Linux Kernel net/ipv4/netfilter/ IPv4 Socket Name Return Arbitrary Memory Disclosure
Vulnerability Center: 11449 - Linux Kernel 2.4 and 2.6 Local Sensitive Memory Portions Disclosure in \x27getsockopt\x27 Function, Low
Vupen: ADV-2006-2071

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

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/18/2019 09:04
Changes: 03/12/2015 12:19 (83), 06/18/2019 09:04 (5)
Complete: 🔍
Cache ID: 216:938:103

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

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