CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

A vulnerability classified as critical has been found in Microsoft Internet Explorer 5.01/5.5/6.0 (Web Browser). This affects some unknown functionality of the component Stylesheet Handler. The manipulation of the argument cssText with the input value { leads to a information disclosure vulnerability (File). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Microsoft Internet Explorer 5.01, 5.5 and 6.0 allows remote attackers to view arbitrary files that contain the "{" character via script containing the cssText property of the stylesheet object, aka "Local Information Disclosure through HTML Object" vulnerability.

The issue has been introduced in 11/08/1999. The weakness was presented 05/29/2002 by GreyMagic as MS02-023 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is uniquely identified as CVE-2002-0191. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 933 days. During that time the estimated underground price was around $25k-$100k.

Applying the patch MS02-023 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the vulnerability database at X-Force (9090). See 18150, 18151, 18152 and 18155 for similar entries.

Productinfo

Type

• Web Browser

Vendor

• Microsoft

Name

• Internet Explorer

Version

• 5.01
• 5.5
• 6.0

License

• commercial

Support

• end of life

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: File
Class: Information disclosure / File
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS02-023

Timelineinfo

11/08/1999 🔍
04/02/2002 +876 days 🔍
04/02/2002 +0 days 🔍
05/29/2002 +57 days 🔍
05/29/2002 +0 days 🔍
12/11/2003 +561 days 🔍
07/11/2014 +3865 days 🔍
04/07/2017 +1001 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS02-023
Researcher: GreyMagic
Status: Confirmed

CVE: CVE-2002-0191 (🔍)
X-Force: 9090
Vulnerability Center: 3148 - [MS02-023] Internet Explorer Allows Remote Attackers to View Arbitrary Files that Contain \, Medium
SecurityFocus: 4411

See also: 🔍

Entryinfo

Created: 07/11/2014 13:59
Updated: 04/07/2017 12:07
Changes: 07/11/2014 13:59 (68), 04/07/2017 12:07 (2)
Complete: 🔍

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