Insecure DLL loading in Adobe InCopy



Published: 2021-01-12
Risk High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-21010
CWE ID CWE-427
Exploitation vector Network
Public exploit N/A
Vulnerable software
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InCopy
Client/Desktop applications / Multimedia software

Vendor Adobe

Security Advisory

This security advisory describes one high risk vulnerability.

1) Insecure DLL loading

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] [PCI]

CVE-ID: CVE-2021-21010

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application 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 file, associated with the vulnerable application, and execute arbitrary code on victim's system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

InCopy: 15.0.0, 15.1.0, 15.1.1, 15.1.2, 15.1.3

CPE External links

https://helpx.adobe.com/security/products/incopy/apsb21-05.html

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.



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