Linux Kernel up to 2.6.16.8 nf_conntrack_h323_asn1.c decode_choice numeric error

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 2.6.16.8. The impacted element is the function decode_choice of the file net/netfilter/nf_conntrack_h323_asn1.c. The manipulation leads to numeric error. This vulnerability is referenced as CVE-2007-3642. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 2.6.16.8 (Operating System) and classified as critical. This issue affects the function decode_choice of the file net/netfilter/nf_conntrack_h323_asn1.c. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is availability. The summary by CVE is:

The decode_choice function in net/netfilter/nf_conntrack_h323_asn1.c in the Linux kernel before 2.6.20.15, 2.6.21.x before 2.6.21.6, and before 2.6.22 allows remote attackers to cause a denial of service (crash) via an encoded, out-of-range index value for a choice field, which triggers a NULL pointer dereference.

The weakness was published 07/08/2007 (Website). It is possible to read the advisory at secunia.com. The identification of this vulnerability is CVE-2007-3642 since 07/09/2007. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 27691 (Fedora 7 : kernel-2.6.22.1-27.fc7 (2007-1130)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 2.6.16.9 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (35857), Tenable (27691), SecurityFocus (BID 24818†), OSVDB (37117†) and Secunia (SA25955†). Similar entries are available at VDB-3167, VDB-3168 and VDB-24081. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 27691
Nessus Name: Fedora 7 : kernel-2.6.22.1-27.fc7 (2007-1130)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 58528
OpenVAS Name: Debian Security Advisory DSA 1356-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 2.6.16.9

Timelineinfo

07/08/2007 🔍
07/09/2007 +0 days 🔍
07/09/2007 +0 days 🔍
07/09/2007 +0 days 🔍
07/09/2007 +0 days 🔍
07/09/2007 +0 days 🔍
07/09/2007 +0 days 🔍
08/20/2007 +41 days 🔍
11/06/2007 +78 days 🔍
03/15/2015 +2686 days 🔍
07/20/2021 +2319 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: secunia.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-3642 (🔍)
GCVE (CVE): GCVE-0-2007-3642
GCVE (VulDB): GCVE-100-37715

OVAL: 🔍

X-Force: 35857
SecurityFocus: 24818 - Linux Kernel Decode_Choices Function Remote Denial Of Service Vulnerability
Secunia: 25955 - Linux Kernel Security Bypass and Multiple Denial of Service Vulnerabilities, Moderately Critical
OSVDB: 37117 - Linux Kernel net/netfilter/nf_conntrack_h323_asn1.c decode_choice Function Remote DoS
Vulnerability Center: 15888 - Linux Kernel before 2.6.22 Vulnerability Allows Remote Attacker to Cause DoS, Medium
Vupen: ADV-2007-2466

See also: 🔍

Entryinfo

Created: 03/15/2015 15:58
Updated: 07/20/2021 19:24
Changes: 03/15/2015 15:58 (68), 08/19/2017 09:51 (14), 07/20/2021 19:24 (3)
Complete: 🔍
Cache ID: 216:E49:103

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