VDB-8996 · OSVDB 93910 · GCVE-100-8996

WebkitGTK+ up to 2.0.2 RenderBlock.cpp exclusionShapeOutsideInfo memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in WebkitGTK+ up to 2.0.2. This impacts the function RenderBlock::markAllDescendantsWithFloatsForLayout/RenderBox::exclusionShapeOutsideInfo of the file rendering/RenderBlock.cpp. Such manipulation leads to memory corruption. Additionally, an exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in WebkitGTK+ up to 2.0.2 (Web Browser) and classified as critical. Affected by this issue is the function RenderBlock::markAllDescendantsWithFloatsForLayout/RenderBox::exclusionShapeOutsideInfo of the file rendering/RenderBlock.cpp. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was released 06/02/2013 by Bem Jones-Bey as not defined changelog entry (Website). The advisory is shared for download at trac.webkit.org. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at trac.webkit.org. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (93910†). Entry connected to this vulnerability is available at VDB-8995. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: trac.webkit.org

Timelineinfo

06/02/2013 🔍
06/03/2013 +1 days 🔍
06/07/2013 +4 days 🔍
03/20/2019 +2112 days 🔍

Sourcesinfo

Advisory: trac.webkit.org
Researcher: Bem Jones-Bey
Status: Not defined

GCVE (VulDB): GCVE-100-8996
OSVDB: 93910

See also: 🔍

Entryinfo

Created: 06/07/2013 16:28
Updated: 03/20/2019 13:31
Changes: 06/07/2013 16:28 (47), 03/20/2019 13:31 (2)
Complete: 🔍
Committer:
Cache ID: 216:3A8:103

Once again VulDB remains the best source for vulnerability data.

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