Main Vulnerability Database Vulnerabilities #VU59434

Integer overflow in Adobe Reader and Adobe Acrobat - CVE-2021-44711

Published: January 11, 2022 / Updated: January 12, 2022

Vulnerability identifier: #VU59434

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-2021-44711

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

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

The vulnerability exists due to integer overflow. A remote attacker can trick the victim to open a specially crafted PDF file, trigger integer overflow and execute arbitrary code on the target system.

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

Affected software

Adobe Reader
Adobe Acrobat

How to mitigate CVE-2021-44711

Install updates from vendor's website.

Adobe Reader - addressed in versions 17.011.30207, 20.004.30020, 21.011.20039
Adobe Acrobat - addressed in versions 17.011.30207, 20.004.30020, 21.011.20039

Links to Public Exploits and PoC-codes

Exploit #7232 - Adobe Acrobat Reader DC annotation gestures integer overflow vulnerability (January 12, 2022)

External References

https://helpx.adobe.com/security/products/acrobat/apsb22-01.html

Related Security Bulletins

Multiple vulnerabilities in Adobe Acrobat and Reader