Google Chrome prior 47.0.2526.80 Blink MutationObserver race condition

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Chrome. It has been rated as problematic. The impacted element is the function MutationObserver of the component Blink. Performing a manipulation results in race condition. This vulnerability is cataloged as CVE-2015-6789. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Google Chrome (Web Browser). This affects the function MutationObserver of the component Blink. The manipulation with an unknown input leads to a race condition vulnerability. CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. This is going to have an impact on availability. The summary by CVE is:

Race condition in the MutationObserver implementation in Blink, as used in Google Chrome before 47.0.2526.80, allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact by leveraging unanticipated object deletion.

The weakness was shared 12/14/2015 by Cloudfuzzer (Website). It is possible to read the advisory at codereview.chromium.org. This vulnerability is uniquely identified as CVE-2015-6789 since 08/31/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 87360 (Debian DSA-3418-1 : 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 196360 (Ubuntu Security Notification for Oxide-qt Vulnerabilities (USN-2860-1)).

Upgrading to version 47.0.2526.80 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 (87360), SecurityFocus (BID 78734†) and Vulnerability Center (SBV-55021†). The entries VDB-79778, VDB-79780, VDB-79781 and VDB-79782 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87360
Nessus Name: Debian DSA-3418-1 : chromium-browser - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703418
OpenVAS Name: Debian Security Advisory DSA 3418-1 (chromium-browser - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Chrome 47.0.2526.80

Timelineinfo

08/31/2015 🔍
12/08/2015 +99 days 🔍
12/08/2015 +0 days 🔍
12/09/2015 +1 days 🔍
12/14/2015 +5 days 🔍
12/14/2015 +0 days 🔍
12/14/2015 +0 days 🔍
12/15/2015 +1 days 🔍
12/15/2015 +0 days 🔍
07/01/2022 +2390 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: USN-2860-1
Researcher: Cloudfuzzer
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-6789 (🔍)
GCVE (CVE): GCVE-0-2015-6789
GCVE (VulDB): GCVE-100-79779

OVAL: 🔍

SecurityFocus: 78734 - Google Chrome Prior to 47.0.2526.80 Multiple Security Vulnerabilities
Vulnerability Center: 55021 - Google Chrome <47.0.2526.80 Remote DoS and Unspecified Other Vulnerabilities due to Use-After-Free in Blink, Critical

See also: 🔍

Entryinfo

Created: 12/15/2015 09:15
Updated: 07/01/2022 03:46
Changes: 12/15/2015 09:15 (66), 05/14/2018 08:59 (13), 07/01/2022 03:38 (3), 07/01/2022 03:46 (1)
Complete: 🔍
Cache ID: 216:12C:103

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