CVE-2021-21944: Buffer Overflow
First published: Wed Feb 23 2022(Updated: )
Two heap-based buffer overflow vulnerabilities exist in the TIFF parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger these vulnerabilities.This heap-based buffer oveflow takes place trying to copy the first 12 bits from local variable.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| AccuSoft ImageGear | =19.10 |
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Frequently Asked Questions
What is the vulnerability ID of this heap-based buffer overflow vulnerability?
The vulnerability ID is CVE-2021-21944.
What is the severity rating of CVE-2021-21944?
CVE-2021-21944 has a severity rating of 8.8 (Critical).
What is the affected software version of CVE-2021-21944?
Accusoft ImageGear 19.10 is affected by CVE-2021-21944.
How can an attacker exploit CVE-2021-21944?
An attacker can exploit CVE-2021-21944 by providing a specially-crafted file to trigger a heap buffer overflow in the TIFF parser functionality of Accusoft ImageGear 19.10.
Is there a reference link available for CVE-2021-21944?
Yes, you can find more information about CVE-2021-21944 at: https://talosintelligence.com/vulnerability_reports/TALOS-2021-1374
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