Google Chrome up to 18.0.1025.162 XML Parser resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Google Chrome up to 18.0.1025.162 (Web Browser) and classified as problematic. This issue affects some unknown processing of the component XML Parser. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability.

The bug was discovered 04/30/2012. The weakness was presented 04/30/2012 by Willem Pinckaers (SkyLined and wushi) with Google Chrome Security Team & iDefense Labs VCP as 117110 as confirmed knowledge base article (Website). The advisory is shared at The public release was coordinated in cooperation with Google. The identification of this vulnerability is CVE-2012-1521 since 03/08/2012. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 58963 (FreeBSD : chromium -- multiple vulnerabilities (94c0ac4f-9388-11e1-b242-00262d5ed8ee)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120198 (Google Chrome Prior to 18.0.1025.168 Multiple Vulnerabilities).

Upgrading to version 18.0.1025.168 eliminates this vulnerability. The upgrade is hosted for download at Applying a patch is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 53309), Secunia (SA48992), SecurityTracker (ID 1027001) and Tenable (58963). See 5332, 5334, 5337 and 5338 for similar entries.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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Class: Denial of service
CWE: CWE-399
ATT&CK: Unknown

Local: No
Remote: Yes

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

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 58963
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (94c0ac4f-9388-11e1-b242-00262d5ed8ee)
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OpenVAS ID: 71386
OpenVAS Name: FreeBSD Ports: chromium
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Threat Intelligenceinfoedit

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Recommended: Upgrade
Status: 🔍

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Upgrade: Chrome 18.0.1025.168


03/08/2012 🔍
04/30/2012 +53 days 🔍
04/30/2012 +0 days 🔍
04/30/2012 +0 days 🔍
04/30/2012 +0 days 🔍
05/01/2012 +1 days 🔍
05/01/2012 +0 days 🔍
05/02/2012 +1 days 🔍
05/02/2012 +0 days 🔍
05/05/2012 +3 days 🔍
05/07/2012 +2 days 🔍
05/02/2019 +2551 days 🔍



Advisory: 117110
Researcher: Willem Pinckaers (SkyLined / wushi)
Organization: Google Chrome Security Team & iDefense Labs VCP
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-1521 (🔍)

SecurityFocus: 53309 - Google Chrome Prior to 18.0.1025.168 Multiple Security Vulnerabilities
Secunia: 48992 - Google Chrome Multiple Vulnerabilities, Highly Critical
SecurityTracker: 1027001
OSVDB: 81644

See also: 🔍


Created: 05/07/2012 12:34 PM
Updated: 05/02/2019 07:07 AM
Changes: (10) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai source_secunia_date source_securityfocus source_securityfocus_date source_securityfocus_class
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