Multiple vulnerabilities in Autodesk Navisworks

Published: 2021-09-27

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-40155 CVE-2021-40156
CWE-ID	CWE-125 CWE-787
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Autodesk Navisworks Client/Desktop applications / Other client software
Vendor	Autodesk

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU56893

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-40155

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the parsing of DWG files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Autodesk Navisworks: 2019 - 2022

CPE2.3

External links

https://www.autodesk.com/trust/security-advisories/adsk-sa-2021-0009
https://www.zerodayinitiative.com/advisories/ZDI-21-1060/

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.

2) Out-of-bounds write

EUVDB-ID: #VU56896

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-2021-40156

CWE-ID: CWE-787 - Out-of-bounds write