CVE-2021-21798
Last modified
CVE-2021-21798 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An exploitable return of stack variable address vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause a stack variable to go out of scope, resulting in the application dereferencing a stale pointer. EPSS estimates a 15.61% chance of exploitation in the next 30 days.
Description
An exploitable return of stack variable address vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause a stack variable to go out of scope, resulting in the application dereferencing a stale pointer. This can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger the vulnerability.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gonitro | Nitro Pro | 13.31.0.605 |
| Gonitro | Nitro Pro | 13.33.2.645 |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1267Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1267Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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