Vulnerability identifier: #VU79632

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-37369

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Qt
Universal components / Libraries / Scripting languages

Vendor: Trolltech

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when processing XML content in QXmlStreamReader. A remote attacker can pass specially crafted XML input to the application, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Qt: 6.5.0 - 6.5.1, 6.3.0 - 6.3.2, 6.2.0 - 6.2.9, 6.1.0 - 6.1.3, 6.0 - 6.0.4, 5.15 - 5.15.14

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External links
http://www.qt.io/blog/security-advisory-qxmlstreamreader
http://bugzilla.redhat.com/show_bug.cgi?id=2232173
http://bugzilla.redhat.com/show_bug.cgi?id=2232359

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Q & A

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.