Google Chrome 16.0.912.77 Column Span Variable Casting use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Google Chrome 16.0.912.77. This impacts an unknown function of the component Column Span Variable Casting Handler. The manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2011-3958. Moreover, an exploit is present. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Google Chrome 16.0.912.77 (Web Browser). It has been rated as critical. This issue affects an unknown functionality of the component Column Span Variable Casting Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is availability. The summary by CVE is:
Google Chrome before 17.0.963.46 does not properly perform casts of variables during handling of a column span, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted document.
The weakness was disclosed 02/08/2012 by Collin Payne (miaubiz) with Chromium Development Community (Website). It is possible to read the advisory at lists.apple.com. The public release has been coordinated in cooperation with Google. The identification of this vulnerability is CVE-2011-3958 since 10/01/2011. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 57883 (FreeBSD : chromium -- multiple vulnerabilities (fe1976c2-5317-11e1-9e99-00262d5ed8ee)), 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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119930 (Google Chrome Prior to 17.0.963.46 Multiple Vulnerabilities).
Upgrading to version 17.0.963.46 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at trac.webkit.org. 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 Tenable (57883), SecurityFocus (BID 51911†), OSVDB (78938†), Secunia (SA47938†) and SecurityTracker (ID 1026654†). The entries VDB-4604, VDB-4613, VDB-4609 and VDB-4610 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.google.com/
- Product: https://www.google.com/chrome/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| 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: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
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: 57883
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (fe1976c2-5317-11e1-9e99-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 70732
OpenVAS Name: FreeBSD Ports: chromium
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Chrome 17.0.963.46
Patch: trac.webkit.org
Timeline
10/01/2011 🔍01/21/2012 🔍
02/08/2012 🔍
02/08/2012 🔍
02/08/2012 🔍
02/08/2012 🔍
02/09/2012 🔍
02/09/2012 🔍
02/10/2012 🔍
04/24/2018 🔍
Sources
Vendor: google.comProduct: google.com
Advisory: lists.apple.com
Researcher: Collin Payne (miaubiz)
Organization: Chromium Development Community
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2011-3958 (🔍)
GCVE (CVE): GCVE-0-2011-3958
GCVE (VulDB): GCVE-100-4607
OVAL: 🔍
SecurityFocus: 51911
Secunia: 47938 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 78938
SecurityTracker: 1026654
See also: 🔍
Entry
Created: 01/21/2012 01:00Updated: 04/24/2018 09:20
Changes: 01/21/2012 01:00 (80), 04/24/2018 09:20 (6)
Complete: 🔍
Cache ID: 216:7BE:103
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