PT-2023-6436 · Adobe · Acrobat+3

Published 2023-04-11 · Updated 2023-04-21 · CVE-2023-26419

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 versions prior to 23.001.20094 Adobe Acrobat Reader versions 23.001.20093 and earlier Adobe Acrobat 2020 versions prior to 20.005.30442 Adobe Acrobat Reader 2020 versions 20.005.30441 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.

Recommendations For Adobe Acrobat versions prior to 23.001.20094, update to version 23.001.20094 or later. For Adobe Acrobat Reader versions 23.001.20093 and earlier, update to version 23.001.20094 or later. For Adobe Acrobat 2020 versions prior to 20.005.30442, update to version 20.005.30442 or later. For Adobe Acrobat Reader 2020 versions 20.005.30441 and earlier, update to version 20.005.30442 or later. As a temporary workaround, consider avoiding the use of AcroForm removeField until a patch is available.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2023-07153

CVE-2023-26419

ZDI-23-429

Affected Products

Acrobat

Acrobat 2020

Acrobat Reader

Acrobat Reader 2020

References · 7

• https://zerodayinitiative.com/advisories/ZDI-23-429 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-26419 · Security Note
• https://bdu.fstec.ru/vul/2023-07153 · Security Note
• https://helpx.adobe.com/security/products/acrobat/apsb23-24.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-26419 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2023041174 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-26419 · Note