Google Chrome 39.0.2171.45 PDFium memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Chrome 39.0.2171.45. It has been declared as critical. This impacts an unknown function of the component PDFium. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2014-7903. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Google Chrome 39.0.2171.45 (Web Browser) and classified as critical. This vulnerability affects some unknown processing 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:

Buffer overflow in OpenJPEG before r2911 in PDFium, as used in Google Chrome before 39.0.2171.65, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted JPEG image.

The weakness was disclosed 11/18/2014 by Cloudfuzzer as Stable Channel Update, November 2014 as confirmed advisory (Website). The advisory is available at googlechromereleases.blogspot.com. This vulnerability was named CVE-2014-7903 since 10/06/2014. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/25/2022). 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 79320 (FreeBSD : chromium -- multiple vulnerabilities (d395e44f-6f4f-11e4-a444-00262d5ed8ee)), 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 167318 (OpenSuSE Security Update for chromium (openSUSE-SU-2014:1626-1)).

Upgrading to version 39.0.2171.65 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com.

The vulnerability is also documented in the databases at X-Force (98791), Tenable (79320), SecurityFocus (BID 71164†), SecurityTracker (ID 1031241†) and Vulnerability Center (SBV-47171†). The entries VDB-68235, VDB-68236, VDB-68237 and VDB-68238 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 79320
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (d395e44f-6f4f-11e4-a444-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802490
OpenVAS Name: Google Chrome Multiple Vulnerabilities - 01 November14 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 39.0.2171.65

Timelineinfo

10/06/2014 🔍
11/18/2014 +43 days 🔍
11/18/2014 +0 days 🔍
11/18/2014 +0 days 🔍
11/19/2014 +1 days 🔍
11/19/2014 +0 days 🔍
11/20/2014 +1 days 🔍
11/20/2014 +0 days 🔍
02/25/2022 +2654 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Stable Channel Update, November 2014
Researcher: Cloudfuzzer
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-7903 (🔍)
GCVE (CVE): GCVE-0-2014-7903
GCVE (VulDB): GCVE-100-68242
X-Force: 98791 - Google Chrome pdfium buffer overflow, High Risk
SecurityFocus: 71164 - Google Chrome CVE-2014-7903 Buffer Overflow Vulnerability
SecurityTracker: 1031241 - Google Chrome Multiple Bugs Let Remote Users Execute Arbitrary Code and Obtain Information
Vulnerability Center: 47171 - Google Chrome Prior to 39.0.2171.65 Remote Host Privilege due to Buffer Overflow - CVE-2014-7903, Medium

See also: 🔍

Entryinfo

Created: 11/20/2014 10:30
Updated: 02/25/2022 04:06
Changes: 11/20/2014 10:30 (83), 06/12/2017 08:31 (2), 02/25/2022 04:06 (3)
Complete: 🔍
Cache ID: 216:039:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!