Google Chrome 22.0.1229.96 WebKit XSSAuditor.cpp cross site scripting

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 Google Chrome 22.0.1229.96. It has been declared as problematic. Affected by this issue is some unknown functionality of the file html/parser/XSSAuditor.cpp of the component WebKit. Executing a manipulation can lead to cross site scripting. The identification of this vulnerability is CVE-2012-5851. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Google Chrome 22.0.1229.96 (Web Browser). It has been declared as problematic. This vulnerability affects some unknown processing of the file html/parser/XSSAuditor.cpp of the component WebKit. 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 confidentiality, integrity, and availability. CVE summarizes:

html/parser/XSSAuditor.cpp in WebCore in WebKit, as used in Google Chrome through 22 and Safari 5.1.7, does not consider all possible output contexts of reflected data, which makes it easier for remote attackers to bypass a cross-site scripting (XSS) protection mechanism via a crafted string, aka rdar problem 12019108.

The weakness was shared 08/02/2012 by Tushar Dalvi with Foundstone Labs as 92692 as not defined changelog entry (Website). The advisory is shared for download at bugs.webkit.org. The vendor cooperated in the coordination of the public release. This vulnerability was named CVE-2012-5851 since 11/08/2012. The exploitation appears to be easy. 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 and also a public exploit are known. 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. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 802499 , which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com.

The vulnerability is also documented in the databases at X-Force (80072), Exploit-DB (38024), Tenable (802499), SecurityFocus (BID 56570†) and OSVDB (87521†). The entry VDB-6963 is related to this item. 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: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 802499
Nessus Risk: 🔍

OpenVAS ID: 803108
OpenVAS Name: Apple Safari Webcore Webkit XSSAuditor.cpp XSS Vulnerability (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Upgrade: chrome.google.com

Timelineinfo

07/19/2012 🔍
07/19/2012 +0 days 🔍
08/02/2012 +14 days 🔍
11/08/2012 +98 days 🔍
11/15/2012 +7 days 🔍
11/16/2012 +1 days 🔍
11/19/2012 +3 days 🔍
11/21/2012 +2 days 🔍
02/20/2013 +91 days 🔍
06/01/2025 +4484 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 92692
Researcher: Tushar Dalvi
Organization: Foundstone Labs
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-5851 (🔍)
GCVE (CVE): GCVE-0-2012-5851
GCVE (VulDB): GCVE-100-6964
X-Force: 80072 - WebKit WebCore security bypass, Medium Risk
SecurityFocus: 56570 - WebKit Cross Site Scripting Filter 'XSSAuditor.cpp' Security Bypass Vulnerability
OSVDB: 87521
Vulnerability Center: 38509 - Google Chrome Remote Cross-Site Scripting due to Security Bypass Vulnerability via a Crafted String, Medium

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

Entryinfo

Created: 11/19/2012 10:20
Updated: 06/01/2025 06:19
Changes: 11/19/2012 10:20 (80), 04/24/2017 20:18 (2), 06/01/2025 06:19 (28)
Complete: 🔍
Committer:
Cache ID: 216:2FF:103

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