Vulnerability identifier: #VU59431
Vulnerability risk: High
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing embedded fonts. A remote attacker can create a specially crafted PDF file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
Install updates from vendor's website.
Vulnerable software versions
Adobe Acrobat: 2017.008.30051 - 2017.011.30204, 2015.006.30503 - 2015.006.30527, 2020.001.30020 - 2020.013.20074, 2021.001.20135 - 2021.007.20099
Adobe Reader: 2017.011.30156 - 2017.011.30204, 2015.006.30508 - 2015.006.30523, 2020.001.30020 - 2020.013.20074, 2021.001.20135 - 2021.007.20099
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.