Microsoft Windows 2000/Server 2003/XP JScript Object memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Microsoft Windows 2000/Server 2003/XP. This affects an unknown function of the component JScript Object Handler. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2006-1313. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Windows 2000/Server 2003/XP (Operating System). This affects an unknown code of the component JScript Object Handler. 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. The summary by CVE is:

Microsoft JScript 5.1, 5.5, and 5.6 on Windows 2000 SP4, and 5.6 on Windows XP, Server 2003, Windows 98 and Windows Me, will "release objects early" in certain cases, which results in memory corruption and allows remote attackers to execute arbitrary code.

The issue has been introduced in 02/17/2000. The weakness was disclosed 06/13/2006 with Microsoft as MS06-023 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is uniquely identified as CVE-2006-1313 since 03/20/2006. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2308 days. During that time the estimated underground price was around $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 21687 (MS06-023: Vulnerability in Microsoft JScript Could Allow Remote Code Execution (917344)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90320 (Microsoft JScript Remote Code Execution Vulnerability (MS06-023)).

Applying the patch MS06-023 is able to eliminate this problem. The bugfix is ready for download at windowsupdate.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4459.

The vulnerability is also documented in the databases at X-Force (26805), Tenable (21687), SecurityFocus (BID 18359†), OSVDB (26434†) and Secunia (SA20620†). The entries VDB-2311, VDB-2310, VDB-2309 and VDB-2306 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Support

  • end of life (old version)

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 21687
Nessus Name: MS06-023: Vulnerability in Microsoft JScript Could Allow Remote Code Execution (917344)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS06-023
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

02/17/2000 🔍
03/20/2006 +2223 days 🔍
06/13/2006 +85 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/14/2006 +0 days 🔍
06/19/2006 +5 days 🔍
06/22/2025 +6943 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS06-023
Researcher: http://www.microsoft.com
Organization: Microsoft
Status: Confirmed

CVE: CVE-2006-1313 (🔍)
GCVE (CVE): GCVE-0-2006-1313
GCVE (VulDB): GCVE-100-2307

OVAL: 🔍

CERT: 🔍
X-Force: 26805 - Microsoft Windows JScript code execution, High Risk
SecurityFocus: 18359 - Microsoft JScript Memory Corruption Vulnerability
Secunia: 20620 - Microsoft JScript Memory Corruption Vulnerability, Highly Critical
OSVDB: 26434 - Microsoft JScript Object Release Memory Corruption
SecurityTracker: 1016283
Vulnerability Center: 11916 - [MS06-023] Microsoft JScript Code Execution due to Early Objects Release, Medium
Vupen: ADV-2006-2321

See also: 🔍

Entryinfo

Created: 06/19/2006 12:24
Updated: 06/22/2025 20:15
Changes: 06/19/2006 12:24 (101), 06/20/2019 17:07 (1), 01/04/2025 22:47 (17), 06/22/2025 20:15 (2)
Complete: 🔍
Cache ID: 216:706:103

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