Google Chrome 29.0.1547.76 Escaped Character Pseudo Class/Element 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 29.0.1547.76. Affected is an unknown function of the component Escaped Character Handler. Executing a manipulation as part of Pseudo Class/Element can lead to memory corruption. This vulnerability is registered as CVE-2013-2923. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Google Chrome 29.0.1547.76 (Web Browser) and classified as critical. This vulnerability affects an unknown function of the component Escaped Character Handler. The manipulation as part of a Pseudo Class/Element 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 30.0.1599.66 allow attackers to cause a denial of service or possibly have other impact via unknown vectors.

The weakness was published 09/18/2013 as 294023 (Website). The advisory is available at code.google.com. The public release has been coordinated with the vendor. This vulnerability was named CVE-2013-2923 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 are unknown but a public exploit is available.

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 70636 (Debian DSA-2785-1 : 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 166720 (OpenSuSE Security Update for chromium (openSUSE-SU-2014:0065-1)).

Upgrading to version 30.0.1599.66 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (70636), SecurityFocus (BID 62752†), OSVDB (98012†) and Secunia (SA55087†). Additional details are provided at googlechromereleases.blogspot.com. Similar entries are available at VDB-9992, VDB-10161, VDB-10162 and VDB-10163. Once again VulDB remains the best source for vulnerability data.

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: 70636
Nessus Name: Debian DSA-2785-1 : chromium-browser - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 892794
OpenVAS Name: Debian Security Advisory DSA 2785-1 (chromium-browser - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Chrome 30.0.1599.66

Timelineinfo

04/11/2013 🔍
09/18/2013 +160 days 🔍
10/01/2013 +12 days 🔍
10/01/2013 +0 days 🔍
10/02/2013 +1 days 🔍
10/02/2013 +0 days 🔍
10/03/2013 +1 days 🔍
10/27/2013 +24 days 🔍
05/26/2021 +2768 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 294023
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-2923 (🔍)
GCVE (CVE): GCVE-0-2013-2923
GCVE (VulDB): GCVE-100-10570

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 62752
Secunia: 55087 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 98012

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

Entryinfo

Created: 10/03/2013 15:58
Updated: 05/26/2021 09:00
Changes: 10/03/2013 15:58 (78), 05/13/2018 10:21 (8), 05/26/2021 09:00 (3)
Complete: 🔍
Cache ID: 216:FCD:103

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