#VU46279 Type conversion in ImageGear - CVE-2020-6151

Vulnerability identifier: #VU46279

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-6151

CWE-ID: CWE-704

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 execute arbitrary code on the system.

The vulnerability exists due to a memory corruption in the TIFF "handle_COMPRESSION_PACKBITS" functionality. A remote attacker can use a specially crafted file, trigger memory corruption and execute arbitrary code on the target system. 

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageGear: 19.3.0 - 19.7

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External links
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1095

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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.