#VU59439 Use-after-free


Published: 2022-01-11

Vulnerability identifier: #VU59439

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-44713

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe Acrobat
Client/Desktop applications / Office applications
Adobe Reader
Client/Desktop applications / Office applications

Vendor: Adobe

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error when processing PDF files. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a use-after-free error and crash the application. 

Mitigation
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


CPE

External links
http://helpx.adobe.com/security/products/acrobat/apsb22-01.html


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.


Latest bulletins with this vulnerability