CVE-2020-10551

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 88%
VendorProductVersion
tencentqqbrowser
𝑥
< 10.5.3870.400
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/seqred-s-a/CVE-2020-10551
https://seqred.pl/en/cve-2020-10551-privilege-escalation-in-qqbrowser/
https://github.com/seqred-s-a/CVE-2020-10551
https://seqred.pl/en/cve-2020-10551-privilege-escalation-in-qqbrowser/