Use-after-free in Adobe Acrobat and Adobe Reader - CVE-2020-3793

 

Use-after-free in Adobe Acrobat and Adobe Reader - CVE-2020-3793

Published: March 17, 2020


Vulnerability identifier: #VU26138
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-2020-3793
CWE-ID: CWE-416
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 PDF files. A remote unauthenticated attacker can create a specially crafted PDF file, trick the victim into opening it, trigger a use-after-free 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 Acrobat
Adobe Reader

How to mitigate CVE-2020-3793

Install updates from vendor's website.

Adobe Acrobat - addressed in versions 15.006.30518, 17.011.30166, 20.006.20042
Adobe Reader - addressed in versions 15.006.30518, 17.011.30166, 20.006.20042

External References

Related Security Bulletins