PT-2021-14781 · Nitro · Nitro Pro Pdf

Published 2021-10-18 · Updated 2022-05-13 · CVE-2021-21796

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Nitro Pro PDF (affected versions not specified)

Description A use-after-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. This issue can be triggered by a specially crafted document, causing an object containing the document path to be destroyed and then reused. This results in a use-after-free vulnerability, which can lead to code execution under the context of the application. An attacker can exploit this by convincing a user to open a malicious document.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-21796

Affected Products

Nitro Pro Pdf

References · 4

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1265 · Exploit
• https://osv.dev/vulnerability/CVE-2021-21796 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21796 · Security Note
• https://t.me/cibsecurity/30691 · Telegram Post