#VU57819 Access of Memory Location After End of Buffer in Adobe Media Encoder - CVE-2021-40779

Vulnerability identifier: #VU57819

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-2021-40779

CWE-ID: CWE-788

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe Media Encoder
Client/Desktop applications / Other client software

Vendor: Adobe

Description

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

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Adobe Media Encoder: 12.0 - 15.4.1

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External links
https://helpx.adobe.com/security/products/media-encoder/apsb21-99.html

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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.