Multiple vulnerabilities in Autodesk Navisworks PDFTron component
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-40160 CVE-2021-40161 |
| CWE-ID | CWE-125 CWE-427 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
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: #VU58751
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-40160
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the PDFTron component when parsing PDF files. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAutodesk Navisworks: 2019 - 2022
External linkshttp://www.autodesk.com/trust/security-advisories/adsk-sa-2021-0010
http://www.zerodayinitiative.com/advisories/ZDI-22-474/
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) Insecure DLL loading
EUVDB-ID: #VU58752
Risk: High
CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-40161
CWE-ID:
CWE-427 - Uncontrolled Search Path Element
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to the PDFTron component loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into opening a PDF file from a remote location and execute arbitrary code on victim's system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAutodesk Navisworks: 2019 - 2022
External linkshttp://www.autodesk.com/trust/security-advisories/adsk-sa-2021-0010
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.
