Linux Kernel 2.6.23 isdn_net_setcfg memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel 2.6.23. This issue affects the function isdn_net_setcfg. The manipulation results in memory corruption. This vulnerability is known as CVE-2007-6063. No exploit is available. Disabling the affected component is advisable.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.23 (Operating System). It has been classified as critical. Affected is the function isdn_net_setcfg. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the isdn_net_setcfg function in isdn_net.c in Linux kernel 2.6.23 allows local users to have an unknown impact via a crafted argument to the isdn_ioctl function.

The bug was discovered 11/20/2007. The weakness was published 11/30/2007 by Venustech with AD-LAB as 9416 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.kernel.org. This vulnerability is traded as CVE-2007-6063 since 11/20/2007. The attack can only be done within the local network. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 42 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 67763 (Oracle Linux 3 : kernel (ELSA-2008-0973)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117337 (CentOS Security Update for Kernel (CESA-2008:0154)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. A possible mitigation has been published 3 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (40191), Tenable (67763), SecurityFocus (BID 26605†), OSVDB (39240†) and Secunia (SA33201†). Similar entries are available at VDB-3471, VDB-34369, VDB-40733 and VDB-39956. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 67763
Nessus Name: Oracle Linux 3 : kernel (ELSA-2008-0973)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 60047
OpenVAS Name: Debian Security Advisory DSA 1436-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

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

Patch: git.kernel.org

Timelineinfo

10/09/2007 🔍
11/20/2007 +42 days 🔍
11/20/2007 +0 days 🔍
11/20/2007 +0 days 🔍
11/20/2007 +0 days 🔍
11/27/2007 +7 days 🔍
11/30/2007 +3 days 🔍
11/30/2007 +0 days 🔍
12/03/2007 +2 days 🔍
12/24/2007 +21 days 🔍
10/16/2009 +662 days 🔍
07/12/2013 +1365 days 🔍
08/01/2019 +2211 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 9416
Researcher: Venustech
Organization: AD-LAB
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-6063 (🔍)
GCVE (CVE): GCVE-0-2007-6063
GCVE (VulDB): GCVE-100-3480

OVAL: 🔍
IAVM: 🔍

X-Force: 40191
SecurityFocus: 26605 - Linux Kernel ISDN_Net.C Local Buffer Overflow Vulnerability
Secunia: 33201 - Red Hat update for kernel, Moderately Critical
OSVDB: 39240 - Linux Kernel isdn_net.c isdn_net_setcfg() Function Local Overflow
Vulnerability Center: 17153 - Linux Kernel Buffer Overflow Allows Remote Attackers to Execute Arbitrary Code and Cause DoS, Medium
Vupen: ADV-2007-4046

See also: 🔍

Entryinfo

Created: 12/03/2007 13:49
Updated: 08/01/2019 18:58
Changes: 12/03/2007 13:49 (103), 08/01/2019 18:58 (1)
Complete: 🔍
Cache ID: 216:5E6:103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!