PT-2022-3684 · Adobe · Acrobat Reader

Published 2022-07-12 · Updated 2022-07-21 · CVE-2022-34223

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Adobe Acrobat Reader versions 22.001.20142 and earlier Adobe Acrobat Reader versions 20.005.30334 and earlier Adobe Acrobat Reader versions 17.012.30229 and earlier

Description The issue is related to a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction, where a victim must open a malicious file. This vulnerability is associated with the use of memory after it has been freed, which may allow an attacker to execute arbitrary code.

Recommendations For Adobe Acrobat Reader versions 22.001.20142 and earlier, update to a version later than 22.001.20142 to resolve the issue. For Adobe Acrobat Reader versions 20.005.30334 and earlier, update to a version later than 20.005.30334 to resolve the issue. For Adobe Acrobat Reader versions 17.012.30229 and earlier, update to a version later than 17.012.30229 to resolve the issue. As a temporary workaround, consider avoiding the use of currentValueIndices in AcroForm until a patch is available.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2022-04471

CVE-2022-34223

ZDI-22-995

Affected Products

Acrobat Reader

References · 7

• https://helpx.adobe.com/security/products/acrobat/apsb22-32.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-04471 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-22-995 · Security Note
• https://osv.dev/vulnerability/CVE-2022-34223 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-34223 · Security Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34223 · Note
• https://t.me/cibsecurity/46337 · Telegram Post