81038 : WebKit RenderBlock::handleRunInChild Function Run-in Handling Use-after-free Arbitrary Code Execution
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Timeline

Disclosure Date
2012-03-19

Description

WebKit contains a use-after-free error in the 'RenderBlock::handleRunInChild' function in rendering/RenderBlock.cpp that is triggered when handling run-ins. With a specially crafted web page, a context-dependent attacker can dereference already freed memory and potentially execute arbitrary code.

Classification

Location: Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS, Third-Party Solution
Exploit: PoC Public
Disclosure: Vendor Verified, Coordinated Disclosure
OSVDB: Web Related

Solution

The vendor has released a patch to address this vulnerability. There are no known workarounds or upgrades to correct this issue. Check the vendor advisory, changelog, or solution in the references section for details.

Upgrade to Google Chrome version 18.0.1025.151 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Google, Inc.
Chrome
18.0.1025.142
The WebKitGTK+ Team
WebKitGTK+
Unspecified

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2012-04-06 | Disagree? | There are 1 more: View All

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_1 Integrity_impact_1 Availability_impact_1

Comments

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