PT-2021-6736 · Adobe · Acrobat Pro Dc

Published 2021-09-14 · Updated 2022-02-05 · CVE-2021-39860

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 Pro DC versions 2021.005.20060 and earlier Adobe Acrobat Pro DC versions 2020.004.30006 and earlier Adobe Acrobat Pro DC versions 2017.011.30199 and earlier

Description The issue is related to a Null pointer dereference, which could allow an unauthenticated attacker to disclose sensitive user memory. Exploitation requires user interaction, where a victim must open a malicious file. This vulnerability may enable an attacker to gain unauthorized access to protected information.

Recommendations For Adobe Acrobat Pro DC versions 2021.005.20060 and earlier, update to a version later than 2021.005.20060 to resolve the issue. For Adobe Acrobat Pro DC versions 2020.004.30006 and earlier, update to a version later than 2020.004.30006 to resolve the issue. For Adobe Acrobat Pro DC versions 2017.011.30199 and earlier, update to a version later than 2017.011.30199 to resolve the issue. As a temporary workaround, consider avoiding the use of vulnerable functions related to handling PDF files until a patch is available.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2022-02119

CVE-2021-39860

Affected Products

Acrobat Pro Dc

References · 5

• https://bdu.fstec.ru/vul/2022-02119 · Security Note
• https://osv.dev/vulnerability/CVE-2021-39860 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39860 · Security Note
• https://helpx.adobe.com/security/products/acrobat/apsb21-55.html · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39860 · Note