PT-2022-9207 · Accusoft · Accusoft Imagegear

Francesco Benvenuto · Published 2022-04-14 · Updated 2022-12-06 · CVE-2021-21944

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 19.10

Description A heap-based buffer overflow issue exists in the TIFF parser functionality. This can be triggered by a specially-crafted file, leading to a heap buffer overflow. An attacker can exploit this by providing a malicious file. The issue occurs when trying to copy the first 12 bits from a local variable.

Recommendations For Accusoft ImageGear version 19.10, consider avoiding the use of the TIFF parser functionality until a fix is available. As a temporary workaround, restrict the handling of specially-crafted files to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

CVE-2021-21944

Affected Products

Accusoft Imagegear

References · 3

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1374 · Exploit
• https://osv.dev/vulnerability/CVE-2021-21944 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21944 · Security Note