Zero-day vulnerability in Adobe Reader

Security bypass

The vulnerability was discovered by Costin Raiu and Vitaly Kamluk of Kaspersky Labs.

Exploited by Animal Farm group.

Vulnerability details

Advisory: SB2014081201 - Remote code execution in Adobe Acrobat and Adobe Reader

Vulnerable component: Adobe Reader

CVE-ID: CVE-2014-0546

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-20 - Improper Input Validation


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

The weakness exists due to improper input validation when processing .pdf files. A remote attacker can create a specially crafted file, trick the victim into opening it, bypass sandbox restrictions and execute arbitrary code 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.