Google Chrome 30.0.1599.101 RenderBlock.cpp First Letter memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Google Chrome 30.0.1599.101. This affects an unknown part of the file rendering/RenderBlock.cpp. Executing a manipulation as part of First Letter can lead to memory corruption. This vulnerability is registered as CVE-2013-2931. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Google Chrome 30.0.1599.101 (Web Browser) and classified as critical. This vulnerability affects an unknown function of the file rendering/RenderBlock.cpp. The manipulation as part of a First Letter leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple unspecified vulnerabilities in Google Chrome before 31.0.1650.48 allow attackers to execute arbitrary code or possibly have other impact via unknown vectors.

The weakness was published 11/12/2013 by Khalil Zhani as 264574 (Website). The advisory is shared for download at code.google.com. This vulnerability was named CVE-2013-2931 since 04/11/2013. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 70986 (Debian DSA-2799-1 : chromium-browser - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121689 (Avant Browser Rendering Engines Multiple Security Vulnerabilities).

Upgrading to version 31.0.1650.48 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (70986), SecurityFocus (BID 63667†) and OSVDB (99730†). Additional details are provided at code.google.com. Similar entries are available at VDB-11178, VDB-11179, VDB-11180 and VDB-11181. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: 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: 🔍

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Nessus ID: 70986
Nessus Name: Debian DSA-2799-1 : chromium-browser - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 892799
OpenVAS Name: Debian Security Advisory DSA 2799-1 (chromium-browser - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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Upgrade: Chrome 31.0.1650.48

Timelineinfo

04/11/2013 🔍
11/12/2013 +215 days 🔍
11/12/2013 +0 days 🔍
11/12/2013 +0 days 🔍
11/13/2013 +1 days 🔍
11/18/2013 +5 days 🔍
11/21/2013 +3 days 🔍
05/02/2019 +1988 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 264574
Researcher: Khalil Zhani
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-2931 (🔍)
GCVE (CVE): GCVE-0-2013-2931
GCVE (VulDB): GCVE-100-11200

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 63667 - Google Chrome CVE-2013-6621 Use After Free Remote Code Execution Vulnerability
OSVDB: 99730

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 11/18/2013 16:18
Updated: 05/02/2019 09:59
Changes: 11/18/2013 16:18 (81), 05/02/2019 09:59 (3)
Complete: 🔍
Cache ID: 216::103

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