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

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Chrome 40.0.2214.85. Affected by this issue is some unknown functionality of the component Fonts. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2014-7938. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome 40.0.2214.85 (Web Browser). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Fonts. 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. The summary by CVE is:

The Fonts implementation in Google Chrome before 40.0.2214.91 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors.

The weakness was shared 01/21/2015 by Atte Kettunen (fuzztercluck) with OUSPG 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 known as CVE-2014-7938 since 10/06/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 06/18/2017). 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 167652 (OpenSuSE Security Update for chromium (openSUSE-SU-2015:0441-1)).

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 (100309), Tenable (80898), SecurityFocus (BID 72288†), Secunia (SA62575†) and SecurityTracker (ID 1031623†). Additional details are provided at chromium.googlesource.com. The entries VDB-68824, VDB-68825, VDB-68826 and VDB-68827 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: 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: 80898
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (e30e0c99-a1b7-11e4-b85c-00262d5ed8ee)
Nessus File: 🔍
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 🔍
06/18/2017 +873 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Stable Channel Update, January 2015
Researcher: Atte Kettunen (fuzztercluck)
Organization: OUSPG
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-7938 (🔍)
GCVE (CVE): GCVE-0-2014-7938
GCVE (VulDB): GCVE-100-68839
X-Force: 100309 - Google Chrome Fonts code execution, 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: 48206 - Google Chrome before 40.0.2214.91 Remote DoS or Other Impact - CVE-2014-7938, High

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/27/2015 09:42
Updated: 06/18/2017 09:28
Changes: 01/27/2015 09:42 (84), 06/18/2017 09:28 (11)
Complete: 🔍
Cache ID: 216:B18:103

Be aware that VulDB is the high quality source for vulnerability data.

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