Google Chrome 40.0.2214.85 use after free

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 labeled as critical has been found in Google Chrome 40.0.2214.85. The impacted element is an unknown function. Such manipulation leads to use after free. This vulnerability is traded as CVE-2014-7933. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Chrome 40.0.2214.85 (Web Browser). Affected by this issue is an unknown part. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was shared 01/21/2015 by Aki Helin (fuzztercluck) with Oulu University Secure Programming Group as Stable Channel Update, January 2015 as confirmed release notes (Blog). The advisory is available at googlechromereleases.blogspot.com. This vulnerability is handled as CVE-2014-7933 since 10/06/2014. The attack may be launched remotely. No form of authentication is required for 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 03/06/2022). 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 81833 (Debian DSA-3189-1 : libav - 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. 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 (100304), Tenable (81833), SecurityFocus (BID 72288†), Secunia (SA62575†) and SecurityTracker (ID 1031623†). chromium.googlesource.com is providing further details. The entries VDB-68318, VDB-68321, VDB-68322 and VDB-68824 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: Use after free
CWE: CWE-416 / 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: 81833
Nessus Name: Debian DSA-3189-1 : libav - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 703189
OpenVAS Name: Debian Security Advisory DSA 3189-1 (libav - 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 40.0.2214.0
Patch: 490a3ebf36821b81f73e34ad3f554cb523dd2682

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 🔍
03/17/2015 +49 days 🔍
03/06/2022 +2546 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Stable Channel Update, January 2015
Researcher: Aki Helin (fuzztercluck)
Organization: Oulu University Secure Programming Group
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-7933 (🔍)
GCVE (CVE): GCVE-0-2014-7933
GCVE (VulDB): GCVE-100-68834

OVAL: 🔍

X-Force: 100304 - Google Chrome FFmpeg 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: 48201 - Google Chrome before 40.0.2214.91 Remote DoS or Other Impact - CVE-2014-7933, High

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/27/2015 09:42
Updated: 03/06/2022 01:58
Changes: 01/27/2015 09:42 (83), 06/18/2017 09:27 (13), 03/06/2022 01:51 (5), 03/06/2022 01:58 (1)
Complete: 🔍
Cache ID: 216:AB8:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!