Microsoft ASP.NET 1.0/1.1 Unicode Converter security check

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft ASP.NET 1.0/1.1 and classified as critical. This issue affects some unknown processing of the component Unicode Converter. The manipulation results in security check. This vulnerability is identified as CVE-2005-0452. The attack can be executed remotely. Additionally, an exploit exists. It is suggested to disable the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft ASP.NET 1.0/1.1. Affected is an unknown code of the component Unicode Converter. The manipulation with an unknown input leads to a security check vulnerability. CWE is classifying the issue as CWE-358. The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple cross-site scripting (XSS) vulnerabilities in Microsoft ASP.NET (.Net) 1.0 and 1.1 to SP1 allow remote attackers to inject arbitrary HTML or web script via Unicode representations for ASCII fullwidth characters that are converted to normal ASCII characters, including ">" and "<".

The weakness was released 02/09/2005 by Andrey Rusyaev with FESU (Far Eastern State University), Vladivostok, (Website). The advisory is shared for download at it-project.ru. This vulnerability is traded as CVE-2005-0452 since 02/16/2005. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1211.

After 1 weeks, there has been an exploit disclosed. The exploit is shared for download at exploit-db.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 20258 (Fedora Core 3 : perl-5.8.5-18.FC3 (2005-1116)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at windowsupdate.microsoft.com. A possible mitigation has been published 11 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (19395), Exploit-DB (25110), Tenable (20258), SecurityFocus (BID 12574†) and OSVDB (13927†). Entry connected to this vulnerability is available at VDB-24086. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Security check
CWE: CWE-358
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 20258
Nessus Name: Fedora Core 3 : perl-5.8.5-18.FC3 (2005-1116)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Disable
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Exploit Delay Time: 🔍

Patch: windowsupdate.microsoft.com

Timelineinfo

02/09/2005 🔍
02/16/2005 +7 days 🔍
02/16/2005 +0 days 🔍
02/16/2005 +0 days 🔍
02/16/2005 +0 days 🔍
02/16/2005 +0 days 🔍
02/18/2005 +2 days 🔍
02/18/2005 +0 days 🔍
02/28/2005 +9 days 🔍
12/01/2005 +276 days 🔍
12/07/2005 +6 days 🔍
06/04/2006 +179 days 🔍
08/25/2024 +6657 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: it-project.ru
Researcher: Andrey Rusyaev
Organization: FESU (Far Eastern State University), Vladivostok,
Status: Not defined

CVE: CVE-2005-0452 (🔍)
GCVE (CVE): GCVE-0-2005-0452
GCVE (VulDB): GCVE-100-1236
X-Force: 19395
SecurityFocus: 12574 - Microsoft ASP.NET Unicode Character Conversion Multiple Cross-Site Scripting Vulnerabilities
Secunia: 14214 - Microsoft ASP.NET Unicode Conversion Cross-Site Scripting, Less Critical
OSVDB: 13927 - Microsoft ASP.NET Request Validation Mechanism Bypass
Vulnerability Center: 11758 - Microsoft ASP.NET 1.0 \x26 1.1 Multiple XSS, Medium

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

Entryinfo

Created: 02/28/2005 10:49
Updated: 08/25/2024 11:33
Changes: 02/28/2005 10:49 (89), 07/01/2019 15:27 (2), 08/25/2024 11:33 (21)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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