#VU34975 Out-of-bounds write in LEADTOOLS - CVE-2019-5092

Vulnerability identifier: #VU34975

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-5092

CWE-ID: CWE-787

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 execute arbitrary code.

An exploitable heap out of bounds write vulnerability exists in the UI tag parsing functionality of the DICOM image format of LEADTOOLS 20.0.2019.3.15. A specially crafted DICOM image can cause an offset beyond the bounds of a heap allocation to be written, potentially resulting in code execution. An attacker can specially craft a DICOM image to trigger this vulnerability.

Mitigation
Install update from vendor's website.

Vulnerable software versions

LEADTOOLS: 20.0.2019.3.15

---

External links
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0884

---

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.