Backdoor in Social Fixer Google Chrome extension



Published: 2017-08-16
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-798
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Subscribe
Social Fixer (Chrome extension)
Client/Desktop applications / Plugins for browsers, ActiveX components

Vendor Social Fixer

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Backdoor

EUVDB-ID: #VU7959

Risk: Critical

CVSSv3.1: 9.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-798 - Use of Hard-coded Credentials

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to victim's browser.

The vulnerability exists due to presence of backdoor code in Social Fixer Google Chrome extension 20.1.1, distributed via Google Web Store.


Mitigation

Update to version 20.2.0 or later.

Vulnerable software versions

Social Fixer (Chrome extension): 20.1.1

CPE2.3 External links

http://www.proofpoint.com/us/threat-insight/post/threat-actor-goes-chrome-extension-hijacking-spree
http://www.facebook.com/socialfixer/posts/10155117415829342

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



###SIDEBAR###