Vulnerability CVE-2020-10551
Published: 2020-04-09

Description:
QQBrowser before 10.5.3870.400 installs a Windows service TsService.exe. This file is writable by anyone belonging to the NT AUTHORITY\Authenticated Users group, which includes all local and remote users. This can be abused by local attackers to escalate privileges to NT AUTHORITY\SYSTEM by writing a malicious executable to the location of TsService.

Type:

CWE-269

 (Improper Privilege Management)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Tencent -> Qqbrowser 

 References:
https://github.com/seqred-s-a/CVE-2020-10551
https://seqred.pl/en/cve-2020-10551-privilege-escalation-in-qqbrowser/
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