PT-2021-14779 · Accusoft · Accusoft Imagegear

Emmanuel Tacheau · Published 2021-07-08 · Updated 2022-09-30 · CVE-2021-21794

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 An out-of-bounds write issue exists in the TIF bits per sample processing functionality. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this issue.

Recommendations For Accusoft ImageGear version 19.9, consider avoiding the use of malformed files to minimize the risk of exploitation. As a temporary workaround, restrict the processing of TIF files with crafted bits per sample values until a patch is available. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

CVE-2021-21794

Affected Products

Accusoft Imagegear

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-21794 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21794 · Vendor Advisory
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1261 · Note
• https://t.me/cvenotify/36957 · Telegram Post
• https://t.me/cvenotify/17234 · Telegram Post