Zero-day vulnerability in Adobe Reader

Memory corruption
CVE-2011-4369

Known malware:

EvilBunny

Vulnerability details

Advisory: SB2011121601 - Remote code execution in Adobe Acrobat and Adobe Reader

Vulnerable component: Adobe Reader

CVE-ID: CVE-2011-4369

CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Description:

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

The weakness exists due to boundary error in the PRC component. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the system with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.