Microsoft Anti-cross Site Scripting Library 3.1 cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft Anti-cross Site Scripting Library 3.1. This affects an unknown part. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2012-0007. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in Microsoft Anti-cross Site Scripting Library 3.1 (Software Library) and classified as problematic. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

The Microsoft Anti-Cross Site Scripting (AntiXSS) Library 3.x and 4.0 does not properly evaluate characters after the detection of a Cascading Style Sheets (CSS) escaped character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via HTML input, aka "AntiXSS Library Bypass Vulnerability."

The weakness was presented 01/10/2012 by Adi Cohen with IBM Rational Application Security (Website). The advisory is shared for download at us-cert.gov. This vulnerability was named CVE-2012-0007 since 11/09/2011. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 T1059.007.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 57475 (MS12-007: Vulnerability in AntiXSS Library Could Allow Information Disclosure (2607664)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90770 (Microsoft AntiXSS Library Information Disclosure Vulnerability (MS12-007)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11972.

The vulnerability is also documented in the databases at X-Force (71990), Exploit-DB (36507), Tenable (57475), SecurityFocus (BID 51291†) and Secunia (SA47483†). 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: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 57475
Nessus Name: MS12-007: Vulnerability in AntiXSS Library Could Allow Information Disclosure (2607664)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902785
OpenVAS Name: Microsoft AntiXSS Library Information Disclosure Vulnerability (2607664)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

11/09/2011 🔍
01/10/2012 +62 days 🔍
01/10/2012 +0 days 🔍
01/10/2012 +0 days 🔍
01/10/2012 +0 days 🔍
01/10/2012 +0 days 🔍
01/10/2012 +0 days 🔍
01/10/2012 +0 days 🔍
01/11/2012 +1 days 🔍
03/23/2015 +1167 days 🔍
09/01/2025 +3815 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: us-cert.gov
Researcher: Adi Cohen
Organization: IBM Rational Application Security
Status: Confirmed

CVE: CVE-2012-0007 (🔍)
GCVE (CVE): GCVE-0-2012-0007
GCVE (VulDB): GCVE-100-59908

OVAL: 🔍
IAVM: 🔍

X-Force: 71990
SecurityFocus: 51291 - Microsoft AntiXSS Library Sanitization Module Security Bypass Vulnerability
Secunia: 47483 - Microsoft AntiXSS Library Escaped CSS Content Parsing Bypass Weakness, Not Critical
SecurityTracker: 1026499 - Microsoft Anti-Cross Site Scripting Library Flaw May Permit Cross-Site Scripting Attacks
Vulnerability Center: 34202 - [MS12-007] Microsoft Anti-Cross Site Scripting (AntiXSS) Library CSS Remote XSS Vulnerability, Medium

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

Entryinfo

Created: 03/23/2015 16:50
Updated: 09/01/2025 09:54
Changes: 03/23/2015 16:50 (67), 04/09/2017 13:19 (19), 11/28/2021 17:53 (3), 01/05/2025 16:00 (16), 09/01/2025 09:54 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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