PT-2023-4633 · Adobe · Acrobat Reader

Published 2023-08-08 · Updated 2023-08-15 · CVE-2023-38238

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Adobe Acrobat Reader versions 23.003.20244 and earlier Adobe Acrobat Reader versions 20.005.30467 and earlier

Description The issue is related to a Use-After-Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction, where a victim must open a malicious file.

Recommendations For Adobe Acrobat Reader versions 23.003.20244 and earlier, update to a version later than 23.003.20244 to resolve the issue. For Adobe Acrobat Reader versions 20.005.30467 and earlier, update to a version later than 20.005.30467 to resolve the issue. As a temporary workaround, consider avoiding the use of Adobe Acrobat Reader to open files from untrusted sources until a patch is available.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2023-05040

CVE-2023-38238

ZDI-23-1070

Affected Products

Acrobat Reader

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2023-38238 · Security Note
• https://helpx.adobe.com/security/products/acrobat/apsb23-30.html · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-23-1070 · Security Note
• https://osv.dev/vulnerability/CVE-2023-38238 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-05040 · Security Note
• https://twitter.com/VulmonFeeds/status/1689686799138922498 · Twitter Post
• https://t.me/cibsecurity/68218 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-38238 · Note
• https://t.me/cvenotify/56513 · Telegram Post