Use-after-free in Nitro Pro - CVE-2021-21798
Published: September 15, 2021
Vulnerability identifier: #VU56606
CSH Severity: High
CVSS v4: 8.4 [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]
CVE-ID: CVE-2021-21798
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a return of stack variable address issue in the JavaScript implementation. A remote attacker can trick a vcitim to open a document and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Nitro Pro
How to mitigate CVE-2021-21798
Install updates from vendor's website.
Nitro Pro - update to 13.49.2.993