Google Chrome 40.0.2214.85 PDFium 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 labeled as critical has been found in Google Chrome 40.0.2214.85. Affected is an unknown function of the component PDFium. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2014-7947. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Google Chrome 40.0.2214.85 (Web Browser). It has been declared as critical. This vulnerability affects an unknown part of the component PDFium. 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:

OpenJPEG before r2944, as used in PDFium in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted PDF document, related to j2k.c, jp2.c, pi.c, t1.c, t2.c, and tcd.c.

The weakness was presented 01/21/2015 by Christian Holler (fuzztercluck) with Google as Stable Channel Update, January 2015 as confirmed release notes (Blog). The advisory is shared for download at googlechromereleases.blogspot.com. This vulnerability was named CVE-2014-7947. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 12/11/2024). 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 123188 (Google Chrome Prior to 40.0.2214.91 Multiple Vulnerabilities).

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 (100318), Tenable (80898), SecurityFocus (BID 72288†), Secunia (SA62383†) and SecurityTracker (ID 1031623†). Additional details are provided at chromium.googlesource.com. See VDB-68824, VDB-68825, VDB-68826 and VDB-68827 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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 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 🔍
01/22/2015 +0 days 🔍
01/23/2015 +1 days 🔍
01/27/2015 +4 days 🔍
12/11/2024 +3605 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

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

CVE: CVE-2014-7947 (🔍)
GCVE (CVE): GCVE-0-2014-7947
GCVE (VulDB): GCVE-100-68848
X-Force: 100318 - Google Chrome PDFium information disclosure, Medium Risk
SecurityFocus: 72288 - Google Chrome 40.0.2214.91 Multiple Security Vulnerabilities
Secunia: 62383 - Google Chrome Multiple Vulnerabilities, Highly Critical
SecurityTracker: 1031623 - Google Chrome Multiple Bugs Let Remote Users Execute Arbitrary Code and Deny Service
Vulnerability Center: 48215 - Google Chrome before 40.0.2214.91 Remote DoS or Other Impact - CVE-2014-7947, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/27/2015 09:42
Updated: 12/11/2024 00:38
Changes: 01/27/2015 09:42 (81), 06/18/2017 09:31 (11), 03/07/2022 06:40 (3), 03/07/2022 06:54 (1), 12/11/2024 00:38 (16)
Complete: 🔍
Cache ID: 216:89E:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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