Google Chrome 31.0.1650.63 SVG Context Elements use after free

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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Google Chrome 31.0.1650.63 and classified as critical. This affects an unknown function of the component SVG Context Elements. The manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2013-6644. Moreover, an exploit is present. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Google Chrome 31.0.1650.63 (Web Browser). It has been rated as critical. This issue affects an unknown part of the component SVG Context Elements. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, and integrity. The summary by CVE is:

Multiple unspecified vulnerabilities in Google Chrome before 32.0.1700.76 on Windows and before 32.0.1700.77 on Mac OS X and Linux allow attackers to cause a denial of service or possibly have other impact via unknown vectors.

The weakness was disclosed 11/13/2013 as Tracking bug for internal security fixes for Chrome 32, Release 0 as confirmed advisory (Website). It is possible to read the advisory at code.google.com. The public release has been coordinated in cooperation with Google. The identification of this vulnerability is CVE-2013-6644 since 11/05/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 72538 (Debian DSA-2862-1 : 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 122879 (Debian Security Update for chromium-browser (DSA 2862-1)).

Upgrading to version 32.0.1700.76 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (72538), SecurityFocus (BID 64805†), OSVDB (102142†) and Secunia (SA56248†). code.google.com is providing further details. The entries VDB-11958, VDB-11959, VDB-11960 and VDB-11961 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 72538
Nessus Name: Debian DSA-2862-1 : chromium-browser - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 702862
OpenVAS Name: Debian Security Advisory DSA 2862-1 (chromium-browser - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Chrome 32.0.1700.76

Timelineinfo

11/05/2013 🔍
11/13/2013 +8 days 🔍
01/14/2014 +61 days 🔍
01/14/2014 +0 days 🔍
01/14/2014 +0 days 🔍
01/16/2014 +2 days 🔍
01/17/2014 +1 days 🔍
02/17/2014 +31 days 🔍
06/08/2021 +2668 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Tracking bug for internal security fixes for Chrome 32, Release 0
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-6644 (🔍)
GCVE (CVE): GCVE-0-2013-6644
GCVE (VulDB): GCVE-100-11987

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 64805
Secunia: 56248 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 102142

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/17/2014 10:06
Updated: 06/08/2021 12:02
Changes: 01/17/2014 10:06 (79), 05/17/2018 08:34 (7), 06/08/2021 12:02 (4)
Complete: 🔍
Committer:
Cache ID: 216:FF6:103

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 know what is going to be exploited?

We predict KEV entries!