Vulnerability identifier: #VU94613
Vulnerability risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-367
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Qt
Universal components / Libraries /
Scripting languages
Vendor: Trolltech
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Qt: 6.7.0 - 6.7.2, 6.6.0 - 6.6.3, 6.2.0 - 6.2.12, 6.5.0 - 6.5.3, 6.0 - 6.0.4, 6.3.0 - 6.3.2, 6.1.0 - 6.1.3, 5.15 - 5.15.17, 5.2 - 5.2.2, 5.6 - 5.6.4, 5.14 - 5.14.2, 5.12 - 5.12.12, 5.9 - 5.9.9, 5.13 - 5.13.2, 5.11 - 5.11.3, 5.10 - 5.10.1, 5.8 - 5.8.0, 5.7 - 5.7.1, 5.5 - 5.5.1, 5.4 - 5.4.2, 5.3 - 5.3.2, 5.1 - 5.1.1, 5.0 - 5.0.2
External links
http://codereview.qt-project.org/c/qt/qtbase/+/571601
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?
No. We are not aware of malware exploiting this vulnerability.