CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.8 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel 2.6.16.9 (Operating System). It has been rated as critical. Affected by this issue is the function do_change_type
. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:
The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify that the caller has the CAP_SYS_ADMIN capability, which allows local users to gain privileges or cause a denial of service by modifying the properties of a mountpoint.
The bug was discovered 07/08/2008. The weakness was presented 07/09/2008 by Eugene Teo as Bug 454388 as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability is handled as CVE-2008-2931 since 06/30/2008. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.
The vulnerability was handled as a non-public zero-day exploit for at least 842 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 43710 (CentOS 5 : kernel (CESA-2008:0885)), 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 165693 (SUSE Enterprise Linux Security Update Linux Kernel (SUSE-SA:2008:035)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (43696) and Tenable (43710). See 43111 and 43007 for similar entries.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.1VulDB Meta Temp Score: 7.9
VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
ATT&CK: T1068
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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Today | unlock | unlock | unlock | unlock |
Nessus ID: 43710
Nessus Name: CentOS 5 : kernel (CESA-2008:0885)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 61436
OpenVAS Name: Debian Security Advisory DSA 1630-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
03/20/2006 🔍06/30/2008 🔍
07/08/2008 🔍
07/08/2008 🔍
07/08/2008 🔍
07/09/2008 🔍
07/09/2008 🔍
08/26/2008 🔍
09/01/2008 🔍
09/25/2008 🔍
01/06/2010 🔍
03/17/2015 🔍
08/01/2021 🔍
Sources
Vendor: kernel.orgAdvisory: Bug 454388
Researcher: Eugene Teo
Status: Not defined
Confirmation: 🔍
CVE: CVE-2008-2931 (🔍)
OVAL: 🔍
X-Force: 43696
Vulnerability Center: 19349 - Linux Kernel < 2.6.22 do_change_type Function in fs/namespace.c Local Privilege Escalation, Low
SecurityFocus: 30126 - Linux Kernel 'do_change_type()' Local Security Bypass Vulnerability
Secunia: 31614 - Ubuntu update for kernel, Less Critical
OSVDB: 47001 - CVE-2008-2931 - Linux - Kernel - Privilege Escalation Issue
See also: 🔍
Entry
Created: 03/17/2015 12:19Updated: 08/01/2021 11:59
Changes: 03/17/2015 12:19 (85), 08/16/2019 10:25 (5), 08/01/2021 11:59 (13)
Complete: 🔍
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