Google Chrome 47 Extension use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Chrome 47. It has been classified as critical. This vulnerability affects unknown code of the component Extension Handler. This manipulation causes use after free. This vulnerability is tracked as CVE-2015-6774. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Google Chrome 47 (Web Browser) and classified as critical. Affected by this vulnerability is an unknown code block of the component Extension Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 12/01/2015 by Mariusz Mlynski (Cloudfuzzer) with Qihoo 360 as Stable Channel Update, December 2015 as confirmed release notes (Blog). The advisory is shared at googlechromereleases.blogspot.com. This vulnerability is known as CVE-2015-6774 since 08/31/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/28/2022). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 87289 (Debian DSA-3415-1 : chromium-browser - security update), 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 175578 (Debian Security Update for chromium-browser (DSA 3415-1)).

Upgrading to version 47.0.2526.73 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 X-Force (108412), Tenable (87289), SecurityFocus (BID 78416†) and Vulnerability Center (SBV-54715†). The entries VDB-79137, VDB-79348, VDB-79349 and VDB-79350 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87289
Nessus Name: Debian DSA-3415-1 : chromium-browser - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703415
OpenVAS Name: Debian Security Advisory DSA 3415-1 (chromium-browser - security update)
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 47.0.2526.73

Timelineinfo

08/31/2015 🔍
12/01/2015 +92 days 🔍
12/01/2015 +0 days 🔍
12/01/2015 +0 days 🔍
12/01/2015 +0 days 🔍
12/02/2015 +1 days 🔍
12/02/2015 +0 days 🔍
12/05/2015 +3 days 🔍
12/10/2015 +5 days 🔍
06/28/2022 +2392 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Stable Channel Update, December 2015
Researcher: Mariusz Mlynski (Cloudfuzzer)
Organization: Qihoo 360
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-6774 (🔍)
GCVE (CVE): GCVE-0-2015-6774
GCVE (VulDB): GCVE-100-79357

OVAL: 🔍

X-Force: 108412 - Google Chrome Extensions code execution
SecurityFocus: 78416 - Google Chrome Prior to 47.0.2526.73 Multiple Security Vulnerabilities
SecurityTracker: 1034298
Vulnerability Center: 54715 - Google Chrome <47.0.2526.73 Remote Code Execution due to Use-After-Free in Extensions - CVE-2015-6774, High

See also: 🔍

Entryinfo

Created: 12/02/2015 10:20
Updated: 06/28/2022 09:07
Changes: 12/02/2015 10:20 (71), 05/09/2018 11:48 (15), 06/28/2022 09:07 (4)
Complete: 🔍
Cache ID: 216::103

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