Google Chrome 47 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.
4.6$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Chrome 47. It has been rated as problematic. Impacted is an unknown function of the component PDFium. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2015-6776. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Google Chrome 47 (Web Browser). It has been classified as problematic. This affects an unknown function of the component PDFium. 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 availability.

The weakness was shared 12/01/2015 by Mariusz Mlynski (Cloudfuzzer) with Qihoo 360 as Stable Channel Update, December 2015 as confirmed release notes (Blog). It is possible to read the advisory at googlechromereleases.blogspot.com. This vulnerability is uniquely identified as CVE-2015-6776 since 08/31/2015. The exploitability is told to be easy. 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 06/28/2022). 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 87289 (Debian DSA-3415-1 : chromium-browser - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175578 (Debian Security Update for chromium-browser (DSA 3415-1)).

Upgrading to version 47.0.2526.73 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 vulnerability is also documented in the databases at X-Force (108414), Tenable (87289), SecurityFocus (BID 78416†) and Vulnerability Center (SBV-54724†). The entries VDB-79137, VDB-79348, VDB-79349 and VDB-79350 are related to this item. Be aware that VulDB is the high quality 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: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
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: 87289
Nessus Name: Debian DSA-3415-1 : chromium-browser - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703415
OpenVAS Name: Debian Security Advisory DSA 3415-1 (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 47.0.2526.73

Timelineinfo

08/31/2015 🔍
12/01/2015 +92 days 🔍
12/01/2015 +0 days 🔍
12/01/2015 +0 days 🔍
12/01/2015 +0 days 🔍
12/02/2015 +1 days 🔍
12/02/2015 +0 days 🔍
12/05/2015 +3 days 🔍
12/10/2015 +5 days 🔍
06/28/2022 +2392 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Stable Channel Update, December 2015
Researcher: Mariusz Mlynski (Cloudfuzzer)
Organization: Qihoo 360
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-6776 (🔍)
GCVE (CVE): GCVE-0-2015-6776
GCVE (VulDB): GCVE-100-79359

OVAL: 🔍

X-Force: 108414 - Google Chrome PDFium denial of service
SecurityFocus: 78416 - Google Chrome Prior to 47.0.2526.73 Multiple Security Vulnerabilities
SecurityTracker: 1034298
Vulnerability Center: 54724 - Google Chrome Before 47.0.2526.73 Remote Code Execution due to Out Of Bounds Access in PDFium - CVE-2015-6776, High

See also: 🔍

Entryinfo

Created: 12/02/2015 10:21
Updated: 06/28/2022 09:10
Changes: 12/02/2015 10:21 (72), 05/09/2018 11:52 (14), 06/28/2022 09:10 (4)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!