Google Chrome 31.0.1650.63 Sync improper authentication

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$0-$5k0.00

Summaryinfo

A vulnerability has been found in Google Chrome 31.0.1650.63 and classified as problematic. This affects an unknown part of the component Sync Handler. This manipulation causes improper authentication. The identification of this vulnerability is CVE-2013-6643. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Google Chrome 31.0.1650.63 (Web Browser). It has been declared as problematic. Affected by this vulnerability is an unknown part of the component Sync Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality. The summary by CVE is:

The OneClickSigninBubbleView::WindowClosing function in browser/ui/views/sync/one_click_signin_bubble_view.cc in Google Chrome before 32.0.1700.76 on Windows and before 32.0.1700.77 on Mac OS X and Linux allows attackers to trigger a sync with an arbitrary Google account by leveraging improper handling of the closing of an untrusted signin confirm dialog.

The weakness was shared 01/14/2014 by Joao Lucas Melo Brasio as 321940 as confirmed bug report (Website). It is possible to read the advisory at code.google.com. The vendor cooperated in the coordination of the public release. This vulnerability is known as CVE-2013-6643 since 11/05/2013. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 72538 (Debian DSA-2862-1 : chromium-browser - several vulnerabilities), 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 122879 (Debian Security Update for chromium-browser (DSA 2862-1)).

Upgrading to version 32.0.1700.76 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 (90400), Tenable (72538), SecurityFocus (BID 64981†), OSVDB (101985†) and Secunia (SA56248†). The entries VDB-11958, VDB-11960, VDB-11961 and VDB-11962 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: Improper authentication
CWE: CWE-287
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: 72538
Nessus Name: Debian DSA-2862-1 : chromium-browser - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 702862
OpenVAS Name: Debian Security Advisory DSA 2862-1 (chromium-browser - several vulnerabilities
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 32.0.1700.76

Timelineinfo

11/05/2013 🔍
01/14/2014 +69 days 🔍
01/14/2014 +0 days 🔍
01/14/2014 +0 days 🔍
01/14/2014 +0 days 🔍
01/15/2014 +1 days 🔍
01/16/2014 +1 days 🔍
01/19/2014 +3 days 🔍
06/08/2021 +2697 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 321940
Researcher: Joao Lucas Melo Brasio
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-6643 (🔍)
GCVE (CVE): GCVE-0-2013-6643
GCVE (VulDB): GCVE-100-11959

OVAL: 🔍
IAVM: 🔍

X-Force: 90400 - Google Chrome sync security bypass, Medium Risk
SecurityFocus: 64981
Secunia: 56248
OSVDB: 101985
Vulnerability Center: 43015 - Google Chrome for Windows, Linux and MacOS X Remote DoS and Code Execution Vulnerability - CVE-2013-6643, High

See also: 🔍

Entryinfo

Created: 01/15/2014 15:51
Updated: 06/08/2021 10:16
Changes: 01/15/2014 15:51 (85), 05/19/2017 11:06 (2), 06/08/2021 10:10 (4), 06/08/2021 10:16 (1)
Complete: 🔍
Committer: olku
Cache ID: 216:BA7:103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!