Linux Foundation Xen 3.1.2 copy_to_user access control

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Foundation Xen 3.1.2. This vulnerability affects the function copy_to_user. The manipulation results in access control. This vulnerability was named CVE-2007-6416. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Foundation Xen 3.1.2 (Virtualization Software). Affected is the function copy_to_user. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations.

The bug was discovered 12/10/2007. The weakness was presented 12/17/2007 by Alex (Website). The advisory is available at xenbits.xensource.com. This vulnerability is traded as CVE-2007-6416 since 12/17/2007. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. 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 7 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 43672 (CentOS 5 : kernel (CESA-2008:0089)), 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 117376 (CentOS Security Update for kernel (CESA-2008:0089)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (39160), Tenable (43672), SecurityFocus (BID 26954†), OSVDB (41344†) and Secunia (SA28146†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 43672
Nessus Name: CentOS 5 : kernel (CESA-2008:0089)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 870168
OpenVAS Name: Rhino Software Serv-U SITE SET Command Denial Of Service vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

12/10/2007 🔍
12/14/2007 +4 days 🔍
12/17/2007 +3 days 🔍
12/17/2007 +0 days 🔍
12/17/2007 +0 days 🔍
12/17/2007 +0 days 🔍
12/20/2007 +3 days 🔍
01/23/2008 +33 days 🔍
02/04/2008 +12 days 🔍
01/06/2010 +702 days 🔍
03/16/2015 +1895 days 🔍
08/04/2019 +1602 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: xenbits.xensource.com
Researcher: Alex
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-6416 (🔍)
GCVE (CVE): GCVE-0-2007-6416
GCVE (VulDB): GCVE-100-40098

OVAL: 🔍

X-Force: 39160
SecurityFocus: 26954 - Xen 'copy_to_user()' Local Security Bypass Vulnerability
Secunia: 28146
OSVDB: 41344 - Xen on IA64 PAL Emulation copy_to_user() Function Guest User Arbitrary Physical Memory Access
Vulnerability Center: 17530 - Xen PAL Emulation Vulnerability Allows Local Users to Access Physical Memory, Low

Entryinfo

Created: 03/16/2015 13:43
Updated: 08/04/2019 16:22
Changes: 03/16/2015 13:43 (78), 08/04/2019 16:22 (6)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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