Time-of-check Time-of-use (TOCTOU) Race Condition in Qt - CVE-2024-39936
Published: July 19, 2024
Vulnerability identifier: #VU94613
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-39936
CWE-ID: CWE-367
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Trolltech
Affected software:
Qt
Qt
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to a race condition in HTTP2 support when establishing an encrypted connection. A remote attacker can potentially force the application to send data before the encrypted() signal, leading to potential information disclosure.
How to mitigate CVE-2024-39936
Install updates from vendor's website.