Improper Handling of Length Parameter Inconsistency in Trolltech Qt



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-43114
CWE-ID CWE-130
Exploitation vector Network
Public exploit N/A
Vulnerable software
Qt
Universal components / Libraries / Scripting languages

Vendor Trolltech

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Handling of Length Parameter Inconsistency

EUVDB-ID: #VU92118

Risk: Medium

CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-43114

CWE-ID: CWE-130 - Improper Handling of Length Parameter Inconsistency

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability occurs when a corrupted font is loaded via QFontDatabase::addApplicationFont{FromData]. A remote unauthenticated attacker can bypass security restrictions on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Qt: 5.15.0 - 6.5.2

CPE2.3 External links

http://codereview.qt-project.org/c/qt/qtbase/+/503026


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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