X.Org MIT-SHM up to 1.4.0 Shared Memory numeric error

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability was found in X.Org MIT-SHM up to 1.4.0. It has been classified as critical. Affected is an unknown function of the component Shared Memory. This manipulation causes numeric error. This vulnerability appears as CVE-2007-6429. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in X.Org MIT-SHM up to 1.4.0. It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Shared Memory. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple integer overflows in X.Org Xserver before 1.4.1 allow context-dependent attackers to execute arbitrary code via (1) a GetVisualInfo request containing a 32-bit value that is improperly used to calculate an amount of memory for allocation by the EVI extension, or (2) a request containing values related to pixmap size that are improperly used in management of shared memory by the MIT-SHM extension.

The bug was discovered 01/17/2008. The weakness was presented 01/18/2008 by regenrecht with CERT/CC (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2007-6429 since 12/18/2007. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 30022 (CentOS 3 : XFree86 (CESA-2008:0029)), 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 116075 (HP-UX Running Xserver, Arbitrary Remote Code Execution Vulnerability (HPSBUX02381)).

Upgrading to version 1.4.1 eliminates this vulnerability. A possible mitigation has been published 5 days after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 31274.

The vulnerability is also documented in the databases at X-Force (39764), Tenable (30022), SecurityFocus (BID 27336†), OSVDB (40939†) and Secunia (SA28273†). See VDB-40634, VDB-40632, VDB-40631 and VDB-40630 for similar entries. 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: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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: 30022
Nessus Name: CentOS 3 : XFree86 (CESA-2008:0029)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 60210
OpenVAS Name: Debian Security Advisory DSA 1466-2 (xorg-server, libxfont, xfree86)
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: 🔍

Upgrade: MIT-SHM 1.4.1
TippingPoint: 🔍

Timelineinfo

12/18/2007 🔍
01/17/2008 +30 days 🔍
01/17/2008 +0 days 🔍
01/17/2008 +0 days 🔍
01/17/2008 +0 days 🔍
01/18/2008 +1 days 🔍
01/18/2008 +0 days 🔍
01/21/2008 +3 days 🔍
01/21/2008 +0 days 🔍
01/23/2008 +2 days 🔍
03/16/2015 +2609 days 🔍
08/04/2019 +1602 days 🔍

Sourcesinfo

Vendor: x.org

Advisory: securityfocus.com⛔
Researcher: regenrecht
Organization: CERT/CC
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-6429 (🔍)
GCVE (CVE): GCVE-0-2007-6429
GCVE (VulDB): GCVE-100-40633

OVAL: 🔍

X-Force: 39764
SecurityFocus: 27336 - RETIRED: X.Org X Server Local Privilege Escalation and Information Disclosure Vulnerabilities
Secunia: 28273
OSVDB: 40939 - X.Org X11 MIT-SHM extension integer overflow
SecurityTracker: 1019232
Vulnerability Center: 17424 - X.Org Xserver < 1.4.1 Multiple Integer Overflows Allow Remote Code Execution, High
Vupen: ADV-2008-0179

See also: 🔍

Entryinfo

Created: 03/16/2015 13:43
Updated: 08/04/2019 08:20
Changes: 03/16/2015 13:43 (78), 08/04/2019 08:20 (13)
Complete: 🔍
Cache ID: 216:CBD:103

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

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