Denial of service in Qt



Published: 2020-01-24 | Updated: 2020-02-02
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-9541
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Qt
Universal components / Libraries / Scripting languages

Vendor Trolltech

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource management error

EUVDB-ID: #VU24821

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-9541

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to incorrect processing of SVG files within QXmlStreamReader(). A remote attacker can supply a specially crafted SVG document and perform an exponential XML entity expansion attack.

Successful exploitation of the vulnerability may allow an attacker to perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Qt: 5.0 - 5.14.0

External links

http://bugreports.qt.io/browse/QTBUG-47417


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.



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