Privilege escalation in Adobe Captivate

1) Insecure DLL loading

EUVDB-ID: #VU49486

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21011

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

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local user can place a specially crafted .dll file on the system, 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

Adobe Captivate: 11.0 - 11.5.1.499

External links

http://helpx.adobe.com/security/products/captivate/apsb21-06.html

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.