PT-2021-14797 · Accusoft · Accusoft Imagegear

Emmanuel Tacheau · CVE-2021-21821 · Published 2021-07-08 · Updated 2022-08-24

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Accusoft ImageGear version 19.9

Description A stack-based buffer overflow issue exists in the PDF process fontname functionality. This can be triggered by a specially crafted malformed file, potentially leading to code execution. An attacker can exploit this by providing a malicious file.

Recommendations For Accusoft ImageGear version 19.9, consider avoiding the use of the PDF process fontname functionality until a patch is available. As a temporary workaround, restrict the handling of untrusted or malicious files to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2021-21821

Affected Products

Accusoft Imagegear

References · 3

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1286 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-21821 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21821 · Vendor Advisory