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7.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Google Chrome up to 19.0.1084.57. It has been declared as problematic. This issue affects some unknown processing of the component Autofill. The manipulation results in integer coercion. This vulnerability is reported as CVE-2012-2821. The attack can be launched remotely. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Chrome up to 19.0.1084.57 (Web Browser). Affected is some unknown processing of the component Autofill. The manipulation with an unknown input leads to a integer coercion vulnerability. CWE is classifying the issue as CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The autofill implementation in Google Chrome before 20.0.1132.43 does not properly display text, which has unspecified impact and remote attack vectors.

The weakness was disclosed 06/26/2012 by Dharani Govindan (simonbrown60) with Chromium Development Community as 122925 (Website). The advisory is shared for download at code.google.com. The public release has been coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2012-2821 since 05/19/2012. 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.

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 59750 (FreeBSD : chromium -- multiple vulnerabilities (ff922811-c096-11e1-b0f4-00262d5ed8ee)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120297 (Google Chrome Prior to 20.0.1132.43 Multiple Vulnerabilities).

Upgrading to version 20.0.1132.43 eliminates this vulnerability. The upgrade is hosted for download at google.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at trac.webkit.org. The problem might be mitigated by replacing the product with Mozilla Firefox, Microsoft Internet Explorer, Opera as an alternative. 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 X-Force (76558), Tenable (59750), SecurityFocus (BID 54203†), OSVDB (83244†) and Secunia (SA49724†). Further details are available at googlechromereleases.blogspot.de. The entries VDB-5585, VDB-5586, VDB-5587 and VDB-5588 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Web Browser

Vendor

• Google

Name

• Chrome

Version

• 19.0.1084.0
• 19.0.1084.1
• 19.0.1084.2
• 19.0.1084.3
• 19.0.1084.4
• 19.0.1084.5
• 19.0.1084.6
• 19.0.1084.7
• 19.0.1084.8
• 19.0.1084.9
• 19.0.1084.10
• 19.0.1084.11
• 19.0.1084.12
• 19.0.1084.13
• 19.0.1084.14
• 19.0.1084.15
• 19.0.1084.16
• 19.0.1084.17
• 19.0.1084.18
• 19.0.1084.19
• 19.0.1084.20
• 19.0.1084.21
• 19.0.1084.22
• 19.0.1084.23
• 19.0.1084.24
• 19.0.1084.25
• 19.0.1084.26
• 19.0.1084.27
• 19.0.1084.28
• 19.0.1084.29
• 19.0.1084.30
• 19.0.1084.31
• 19.0.1084.32
• 19.0.1084.33
• 19.0.1084.34
• 19.0.1084.35
• 19.0.1084.36
• 19.0.1084.37
• 19.0.1084.38
• 19.0.1084.39
• 19.0.1084.40
• 19.0.1084.41
• 19.0.1084.42
• 19.0.1084.43
• 19.0.1084.44
• 19.0.1084.45
• 19.0.1084.46
• 19.0.1084.47
• 19.0.1084.48
• 19.0.1084.49
• 19.0.1084.50
• 19.0.1084.51
• 19.0.1084.52
• 19.0.1084.53
• 19.0.1084.54
• 19.0.1084.55
• 19.0.1084.56
• 19.0.1084.57

License

• free

Website

• Vendor: https://www.google.com/
• Product: https://www.google.com/chrome/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 7.5

VulDB Base Score: 8.3
VulDB Temp Score: 7.5
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

Class: Integer coercion
CWE: CWE-192 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 59750
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (ff922811-c096-11e1-b0f4-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71529
OpenVAS Name: FreeBSD Ports: chromium
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Chrome 20.0.1132.43
Patch: trac.webkit.org
Alternative: Mozilla Firefox, Microsoft Internet Explorer, Opera

Timelineinfo

05/19/2012 🔍
06/26/2012 +38 days 🔍
06/26/2012 +0 days 🔍
06/26/2012 +0 days 🔍
06/26/2012 +0 days 🔍
06/27/2012 +0 days 🔍
06/27/2012 +0 days 🔍
06/27/2012 +0 days 🔍
06/27/2012 +0 days 🔍
06/27/2012 +0 days 🔍
07/03/2012 +6 days 🔍
03/25/2021 +3187 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 122925
Researcher: Dharani Govindan (simonbrown60)
Organization: Chromium Development Community
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-2821 (🔍)
GCVE (CVE): GCVE-0-2012-2821
GCVE (VulDB): GCVE-100-5592

OVAL: 🔍

X-Force: 76558
SecurityFocus: 54203 - Google Chrome Prior to 20.0.1132.43 Multiple Security Vulnerabilities
Secunia: 49724 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 83244
Vulnerability Center: 35462 - Google Chrome Before 20.0.1132.43 Autofill Implementation Unspecified Remote Vulnerability, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 06/27/2012 15:16
Updated: 03/25/2021 18:36
Changes: 06/27/2012 15:16 (86), 04/19/2017 10:29 (9), 03/25/2021 18:36 (2)
Complete: 🔍
Cache ID: 216:A63:103

Discussion

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