PT-2021-3943 · Adobe · After Effects

Published 2021-07-20 · Updated 2022-10-07 · CVE-2021-35996

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Adobe After Effects versions 18.2.1 and earlier

Description The issue is caused by a memory corruption vulnerability when parsing a specially crafted file, allowing an unauthenticated attacker to achieve arbitrary code execution in the context of the current user. Exploitation requires user interaction, where a victim must open a malicious file.

Recommendations For Adobe After Effects versions 18.2.1 and earlier, update to a version that contains a fix for this issue to prevent arbitrary code execution. As a temporary workaround, consider avoiding the use of specially crafted files that could trigger the memory corruption vulnerability. Restrict access to untrusted files to minimize the risk of exploitation.

Fix

Access of Memory Location After End of Buffer

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-788

CWE-119

CWE-787

Related Identifiers

BDU:2021-04460

CVE-2021-35996

Affected Products

After Effects

References · 7

• https://osv.dev/vulnerability/CVE-2021-35996 · Vendor Advisory
• https://helpx.adobe.com/security/products/after_effects/apsb21-54.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-35996 · Security Note
• https://bdu.fstec.ru/vul/2021-04460 · Security Note
• https://t.me/cibsecurity/28224 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021072030 · Note
• https://t.me/cvenotify/20584 · Telegram Post