CVE-2021-33879
High
Description
Tencent GameLoop before 4.1.21.90 downloaded updates over an insecure HTTP connection. A malicious attacker in an MITM position could spoof the contents of an XML document describing an update package, replacing a download URL with one pointing to an arbitrary Windows executable. Because the only integrity check would be a comparison of the downloaded file's MD5 checksum to the one contained within the XML document, the downloaded executable would then be executed on the victim's machine.
SeverityHigh
CVSS8.1
Exploit probability—
ProductTencent Gameloop
PublishedJun 6, 2021
First seenJun 6, 2021
How to fix
Update
- tencent gameloop4.1.21.90 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tencent gameloop | v < 4.1.21.90 | 4.1.21.90 |
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