#VU55029 Buffer overflow in Adobe After Effects - CVE-2021-36017

Vulnerability identifier: #VU55029

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-36017

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe After Effects
Client/Desktop applications / Multimedia software

Vendor: Adobe

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing PDF files. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Adobe After Effects: 1.0 - 18.2.1, 2.0 - 2.0.1, 3.0 - 3.1, 4.0 - 4.1, 5.0 - 5.5, 6.0 - 6.5, 7.0, 8.0 - 8.0.2, 9.0 - 9.0.3

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External links
https://helpx.adobe.com/security/products/after_effects/apsb21-54.html
https://www.zerodayinitiative.com/advisories/ZDI-21-900/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.