VDB-8867 · ID 136060 · OSVDB 93637

WebkitGTK+ 1.10.2 hasSelfPaintingLayer memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in WebkitGTK+ 1.10.2. It has been classified as critical. Affected by this issue is the function WebCore::RenderLayerModelObject::hasSelfPaintingLayer. The manipulation leads to memory corruption. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in WebkitGTK+ 1.10.2 (Web Browser). This issue affects the function WebCore::RenderLayerModelObject::hasSelfPaintingLayer. 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 disclosed 11/28/2012 as 136060 as not defined bulletin (Website). It is possible to read the advisory at trac.webkit.org. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

It is declared as proof-of-concept.

Upgrading to version 2.0.0 eliminates this vulnerability. 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 vulnerability database at OSVDB (93637†). The entries VDB-8870 and VDB-8869 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: WebkitGTK+ 2.0.0
Patch: trac.webkit.org

Timelineinfo

11/28/2012 🔍
11/28/2012 +0 days 🔍
05/27/2013 +180 days 🔍
03/20/2019 +2123 days 🔍

Sourcesinfo

Advisory: 136060
Status: Not defined

GCVE (VulDB): GCVE-100-8867
OSVDB: 93637

See also: 🔍

Entryinfo

Created: 05/27/2013 09:46
Updated: 03/20/2019 18:01
Changes: 05/27/2013 09:46 (45), 03/20/2019 18:01 (2)
Complete: 🔍
Committer: olku
Cache ID: 216:AB6:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!