Microsoft Virtual Machine up to 5.0.3809 ByteCode Verifier privileges management

CVSS Meta Temp Score
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Virtual Machine up to 5.0.3809. This affects an unknown part of the component ByteCode Verifier. Such manipulation leads to privileges management. This vulnerability is documented as CVE-2003-0111. The attack can be executed remotely. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Virtual Machine up to 5.0.3809. Affected by this issue is an unknown code block of the component ByteCode Verifier. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The ByteCode Verifier component of Microsoft Virtual Machine (VM) build 5.0.3809 and earlier, as used in Windows and Internet Explorer, allows remote attackers to bypass security checks and execute arbitrary code via a malicious Java applet, aka "Flaw in Microsoft VM Could Enable System Compromise."

The weakness was released 05/05/2003 as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability is handled as CVE-2003-0111 since 02/26/2003. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The exploit is available at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 11528 (MS03-011: Flaw in Microsoft VM (816093)), 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 90161 (Microsoft Windows Virtual Machine Update (MS03-011)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (11751), Exploit-DB (22027), Tenable (11528), SecurityFocus (BID 6221†) and Vulnerability Center (SBV-1307†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
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Nessus ID: 11528
Nessus Name: MS03-011: Flaw in Microsoft VM (816093)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/21/2002 🔍
02/26/2003 +97 days 🔍
04/09/2003 +42 days 🔍
04/10/2003 +1 days 🔍
05/05/2003 +25 days 🔍
05/05/2003 +0 days 🔍
05/05/2003 +0 days 🔍
06/26/2003 +52 days 🔍
08/11/2014 +4064 days 🔍
08/25/2025 +4032 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: kb.cert.org
Status: Confirmed

CVE: CVE-2003-0111 (🔍)
GCVE (CVE): GCVE-0-2003-0111
GCVE (VulDB): GCVE-100-20396

OVAL: 🔍

CERT: 🔍
X-Force: 11751
SecurityFocus: 6221 - Microsoft Java Virtual Machine Bytecode Verifier Vulnerability
Vulnerability Center: 1307 - [MS03-011] Microsoft Virtual Machine Allows Arbitrary Code Execution via Malicious Java Applets, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/11/2014 22:52
Updated: 08/25/2025 02:14
Changes: 08/11/2014 22:52 (55), 05/10/2019 11:17 (16), 12/31/2024 03:27 (16), 03/22/2025 23:47 (1), 08/25/2025 02:14 (2)
Complete: 🔍
Cache ID: 216:BF4:103

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