PT-2022-9212 · Accusoft · Accusoft Imagegear

Francesco Benvenuto · Published 2022-04-14 · Updated 2022-04-21 · CVE-2021-21949

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 An improper array index validation issue exists in the JPEG-JFIF Scan header parser functionality. A specially-crafted file can lead to an out-of-bounds write and potential code execution. An attacker can provide a malicious file to trigger this issue.

Recommendations For Accusoft ImageGear version 19.10, consider avoiding the use of the JPEG-JFIF Scan header parser functionality until a patch is available. As a temporary workaround, restrict the processing of specially-crafted files to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Improper Validation of Array Index

Weakness Enumeration

CWE-129

Related Identifiers

CVE-2021-21949

Affected Products

Accusoft Imagegear

References · 4

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1377 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-21949 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21949 · Vendor Advisory
• https://t.me/cibsecurity/40824 · Telegram Post