Google Chrome up to 56 v8 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in Google Chrome up to 56. Affected by this vulnerability is an unknown functionality of the component v8. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2017-5012. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Google Chrome up to 56 (Web Browser) and classified as critical. This vulnerability affects an unknown code block of the component v8. The manipulation with an unknown input 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:

A heap buffer overflow in V8 in Google Chrome prior to 56.0.2924.76 for Linux, Windows and Mac, and 56.0.2924.87 for Android, allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

The weakness was disclosed 01/25/2017 by Armin Razmdjou (Paul) with Tresorit as Stable Channel Update for Desktop, January 2017 as confirmed release notes (Website). The advisory is shared for download at chromereleases.googleblog.com. This vulnerability was named CVE-2017-5012 since 01/02/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/04/2020). 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 96852 (GLSA-201701-66 : Chromium: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236251 (Red Hat Update forchromium-browser Security (RHSA-2017:0206)).

Upgrading to version 56.0.2924.76 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96852), SecurityFocus (BID 95792†) and SecurityTracker (ID 1037718†). The entries VDB-96042, VDB-96043, VDB-96044 and VDB-96045 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 96852
Nessus Name: GLSA-201701-66 : Chromium: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703776
OpenVAS Name: Debian Security Advisory DSA 3776-1 (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 56.0.2924.76

Timelineinfo

01/02/2017 🔍
01/25/2017 +23 days 🔍
01/25/2017 +0 days 🔍
01/25/2017 +0 days 🔍
01/26/2017 +1 days 🔍
01/27/2017 +1 days 🔍
01/30/2017 +3 days 🔍
02/17/2017 +18 days 🔍
08/04/2020 +1264 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Stable Channel Update for Desktop, January 2017
Researcher: Armin Razmdjou (Paul)
Organization: Tresorit
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-5012 (🔍)
GCVE (CVE): GCVE-0-2017-5012
GCVE (VulDB): GCVE-100-96052

OVAL: 🔍

SecurityFocus: 95792 - Google Chrome Multiple Security Vulnerabilities
OSVDB: - CVE-2017-5012 - Google - Chrome - Buffer Overflow Issue
SecurityTracker: 1037718

See also: 🔍

Entryinfo

Created: 01/27/2017 12:22
Updated: 08/04/2020 09:37
Changes: 01/27/2017 12:22 (83), 08/04/2020 09:37 (8)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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