Out-of-bounds write in Adobe Photoshop - CVE-2021-21067

 

Out-of-bounds write in Adobe Photoshop - CVE-2021-21067

Published: March 11, 2021


Vulnerability identifier: #VU51412
CSH Severity: High
CVSS v4: 8.4 [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]
CVE-ID: CVE-2021-21067
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error when processing Photoshop files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds write error and execute arbitrary code on the target system.

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


Affected software

Adobe Photoshop

How to mitigate CVE-2021-21067

Install updates from vendor's website.

Adobe Photoshop - addressed in versions 21.2.6, 22.3

External References

Related Security Bulletins