Vulnerability identifier: #VU23344

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-5083

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ImageGear
Web applications / Modules and components for CMS

Vendor: Accusoft Corporation

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the igcore19d.dll "TIFdecodethunderscan" function. A remote attacker can send a specially crafted TIFF file, trick a victim to open it, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageGear: 19.3.0

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External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0875

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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. However, proof of concept for this vulnerability is available.