Google Chrome 27.0.1453.94 Flash Element Opacity opacity access control

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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Google Chrome 27.0.1453.94. This affects an unknown function of the component Flash Element Opacity Handler. Performing a manipulation of the argument opacity with the input 0.0 as part of IFRAME Tag results in access control. This vulnerability is reported as CVE-2013-2866. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Google Chrome 27.0.1453.94 (Web Browser). This affects an unknown code of the component Flash Element Opacity Handler. The manipulation of the argument opacity with the input value 0.0 leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

The Flash plug-in in Google Chrome before 27.0.1453.116, as used on Google Chrome OS before 27.0.1453.116 and separately, does not properly determine whether a user wishes to permit camera or microphone access by a Flash application, which allows remote attackers to obtain sensitive information from a machine s physical environment via a clickjacking attack, as demonstrated by an attack using a crafted Cascading Style Sheets (CSS) opacity property.

The weakness was disclosed 06/10/2013 as Camjacking as not defined changelog entry (Website). The advisory is shared at habrahabr.ru. The public release happened without involvement of Google. This vulnerability is uniquely identified as CVE-2013-2866 since 04/11/2013. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed in Macromedia Flash and been published immediately after the advisory. The exploit is shared for download at habrahabr.ru. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 66930 (Google Chrome < 27.0.1453.116 Flash Click-Jacking), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121283 (Google Chrome Flash Plugin Clickjacking Vulnerability).

Upgrading to version 27.0.1453.116 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (85082), Tenable (66930), OSVDB (94411†), Secunia (SA53867†) and Vulnerability Center (SBV-40116†). Further details are available at code.google.com. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

Video

Youtube: Not available anymore

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 66930
Nessus Name: Google Chrome < 27.0.1453.116 Flash Click-Jacking
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803676
OpenVAS Name: Google Chrome Clickjacking Vulnerability June13 (MAC OS X)
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: 🔍
Exploit Delay Time: 🔍

Upgrade: Chrome 27.0.1453.116
Fortigate IPS: 🔍

Timelineinfo

04/11/2013 🔍
06/10/2013 +60 days 🔍
06/10/2013 +0 days 🔍
06/18/2013 +8 days 🔍
06/18/2013 +0 days 🔍
06/19/2013 +1 days 🔍
06/19/2013 +0 days 🔍
06/20/2013 +1 days 🔍
06/23/2013 +3 days 🔍
12/26/2024 +4204 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Camjacking
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-2866 (🔍)
GCVE (CVE): GCVE-0-2013-2866
GCVE (VulDB): GCVE-100-9237

OVAL: 🔍

X-Force: 85082
Secunia: 53867 - Google Chrome Flash Plugin Clickjacking Vulnerability, Less Critical
OSVDB: 94411
Vulnerability Center: 40116 - Google Chrome <27.0.1453.116 Flash Plug-in Remote Clickjacking Vulnerability - CVE-2013-2866, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍

Entryinfo

Created: 06/20/2013 11:50
Updated: 12/26/2024 21:36
Changes: 06/20/2013 11:50 (62), 05/03/2017 16:40 (30), 05/17/2021 09:56 (3), 12/26/2024 21:36 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!