Microsoft Internet Explorer up to 6 Cache BR549.DLL information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as very critical has been found in Microsoft Internet Explorer up to 6. The affected element is an unknown function in the library BR549.DLL of the component Cache. Such manipulation leads to information disclosure. This vulnerability is listed as CVE-2003-0530. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer up to 6 (Web Browser) and classified as critical. Affected by this issue is an unknown part in the library BR549.DLL of the component Cache. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

Buffer overflow in the BR549.DLL ActiveX control for Internet Explorer 5.01 SP3 through 6.0 SP1 allows remote attackers to execute arbitrary code.

The weakness was presented 08/20/2003 by Yu-Arai with LAC as MS03-032 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability is handled as CVE-2003-0530 since 07/08/2003. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100001 (Microsoft Internet Explorer Multiple Vulnerabilities (MS03-032)).

Applying the patch MS03-032 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. Attack attempts may be identified with Snort ID 4160. In this case the pattern 167701E3-FDCF-11D0-A48E-006097C549FF is used for detection.

The vulnerability is also documented in the databases at X-Force (12962), SecurityFocus (BID 8454†), OSVDB (2966†), Secunia (SA9580†) and SecurityTracker (ID 1007538†). ciac.org is providing further details. See VDB-249, VDB-266 and VDB-20750 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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OpenVAS ID: 10861
OpenVAS Name: IE 5.01 5.5 6.0 Cumulative patch (890923)
OpenVAS File: 🔍
OpenVAS Family: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS03-032

Snort ID: 4160
Snort Message: WEB-ACTIVEX Microsoft Windows Reporting Tool ActiveX Object Access
Snort Pattern: 🔍
SourceFire IPS: 🔍

Timelineinfo

07/08/2003 🔍
08/20/2003 +42 days 🔍
08/20/2003 +0 days 🔍
08/20/2003 +0 days 🔍
08/21/2003 +1 days 🔍
08/27/2003 +6 days 🔍
12/12/2003 +107 days 🔍
12/24/2003 +11 days 🔍
12/31/2024 +7678 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS03-032
Researcher: Discovery (Yu-Arai)
Organization: LAC
Status: Confirmed

CVE: CVE-2003-0530 (🔍)
GCVE (CVE): GCVE-0-2003-0530
GCVE (VulDB): GCVE-100-248
CERT: 🔍
X-Force: 12962 - Microsoft Internet Explorer BR549.DLL ActiveX control buffer overflow, Medium Risk
SecurityFocus: 8454 - Microsoft Internet Explorer BR549.DLL ActiveX Control Buffer Overflow Vulnerability
Secunia: 9580 - Microsoft Internet Explorer Multiple Vulnerabilities, Extremely Critical
OSVDB: 2966 - Microsoft IE BR549.DLL Overflow
SecurityTracker: 1007538 - Microsoft Internet Explorer Buffer Overflow in CR549.DLL ActiveX Control Permits Remote Code Execution
Vulnerability Center: 3278 - [MS03-032] Buffer Overflow in ActiveX control for Internet Explorer 5.0, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 08/21/2003 14:14
Updated: 12/31/2024 05:06
Changes: 08/21/2003 14:14 (63), 04/07/2017 12:00 (35), 03/08/2021 16:21 (4), 12/31/2024 05:06 (15)
Complete: 🔍
Cache ID: 216:BD2:103

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