Vulnerability identifier: #VU27497

Vulnerability risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-19871

CWE-ID: CWE-400

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 application does not properly control consumption of internal resources within QTgaFile in Qt. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Qt: 5.11.0 - 5.11.2

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External links
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00002.html
http://access.redhat.com/errata/RHSA-2019:2135
http://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/
http://codereview.qt-project.org/#/c/237761/
http://lists.debian.org/debian-lts-announce/2019/05/msg00014.html

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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.