Google Chrome 40.0.2214.85 Fonts memory corruption

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

A vulnerability was found in Google Chrome 40.0.2214.85 (Web Browser). It has been classified as critical. This affects some unknown functionality of the component Fonts. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 01/21/2015 by Christian Holler (miaubiz) with Google as Stable Channel Update, January 2015 as confirmed release notes (Blog). It is possible to read the advisory at googlechromereleases.blogspot.com. This vulnerability is uniquely identified as CVE-2014-7946 since 10/06/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/07/2022). 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 80898 (FreeBSD : chromium -- multiple vulnerabilities (e30e0c99-a1b7-11e4-b85c-00262d5ed8ee)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195844 (Ubuntu Security Notification for Oxide-qt Vulnerabilities (USN-2476-1)).

Upgrading to version 40.0.2214.0 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 release notes contains the following remark:

This update includes 62 security fixes. Below, we highlight fixes that were contributed by external researchers.

The vulnerability is also documented in the databases at X-Force (100317), Tenable (80898), SecurityFocus (BID 72288†), Secunia (SA62575†) and SecurityTracker (ID 1031623†). Further details are available at chromium.googlesource.com. The entries VDB-68824, VDB-68825, VDB-68826 and VDB-68827 are pretty similar. 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: 🔍
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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

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 80898
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (e30e0c99-a1b7-11e4-b85c-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803400
OpenVAS Name: Google Chrome Multiple Vulnerabilities -02 Jan15 (Windows)
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 40.0.2214.0

Timelineinfo

10/06/2014 🔍
01/21/2015 +107 days 🔍
01/21/2015 +0 days 🔍
01/21/2015 +0 days 🔍
01/21/2015 +0 days 🔍
01/22/2015 +1 days 🔍
01/22/2015 +0 days 🔍
01/23/2015 +1 days 🔍
01/27/2015 +4 days 🔍
01/27/2015 +0 days 🔍
03/07/2022 +2596 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Stable Channel Update, January 2015
Researcher: Christian Holler (miaubiz)
Organization: Google
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-7946 (🔍)
GCVE (CVE): GCVE-0-2014-7946
GCVE (VulDB): GCVE-100-68847
X-Force: 100317 - Google Chrome Fonts information disclosure, Medium Risk
SecurityFocus: 72288 - Google Chrome 40.0.2214.91 Multiple Security Vulnerabilities
Secunia: 62575 - Ubuntu update for oxide-qt, Highly Critical
SecurityTracker: 1031623 - Google Chrome Multiple Bugs Let Remote Users Execute Arbitrary Code and Deny Service
Vulnerability Center: 48214 - Google Chrome before 40.0.2214.91 Remote DoS or Other Impact - CVE-2014-7946, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/27/2015 09:42 AM
Updated: 03/07/2022 06:27 AM
Changes: 01/27/2015 09:42 AM (82), 06/18/2017 09:31 AM (12), 03/07/2022 06:16 AM (3), 03/07/2022 06:27 AM (1)
Complete: 🔍
Cache ID: 18:366:40

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