Vulnerability identifier: #VU59448

Vulnerability risk: Low

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

CVE-ID: CVE-2021-45063

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 gain access to sensitive information.

The vulnerability exists due to a use-after-free error when processing JP2 images. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a use-after-free error and gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Adobe Acrobat: 17.008.30051 - 17.011.30204, 15.006.30503 - 15.006.30527, 20.001.30020 - 20.013.20074, 21.001.20135 - 21.007.20099

Adobe Reader: 2017.011.30156 - 2017.011.30204, 2015.006.30508 - 2015.006.30523, 2020.001.30020 - 2020.013.20074

---

External links
http://helpx.adobe.com/security/products/acrobat/apsb22-01.html
http://www.zerodayinitiative.com/advisories/ZDI-22-059/

---

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.