#VU46603 Stack-based buffer overflow in SAP 3D Visual Enterprise Viewer - CVE-2020-6355

Vulnerability identifier: #VU46603

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/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-2020-6355

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SAP 3D Visual Enterprise Viewer
Client/Desktop applications / Office applications

Vendor: SAP

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing TGA files. A remote unauthenticated attacker can create a specially crafted TGA file, trick the victim into  opening it, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SAP 3D Visual Enterprise Viewer: 9

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External links
https://launchpad.support.sap.com/#/notes/2960815
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=557449700
https://www.zerodayinitiative.com/advisories/ZDI-20-1161/

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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.