#VU34974 Infinite loop in LEADTOOLS - CVE-2019-5091

Vulnerability identifier: #VU34974

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-5091

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LEADTOOLS
Universal components / Libraries / Software for developers

Vendor: LEAD Technologies, Inc.

Description

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

An exploitable denial-of-service vulnerability exists in the Dicom-packet parsing functionality of LEADTOOLS libltdic.so version 20.0.2019.3.15. A specially crafted packet can cause an infinite loop, resulting in a denial of service. An attacker can send a packet to trigger this vulnerability.

Mitigation
Install update from vendor's website.

Vulnerable software versions

LEADTOOLS: 20.0.2019.3.15

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External links
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0883

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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.