Backdoor in Social Fixer Google Chrome extension
| 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
DescriptionThe 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.
Update to version 20.2.0 or later.
Social Fixer (Chrome extension): 20.1.1
External linkshttp://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.
