Zero-day vulnerability in Windows

Privilege escalation

Windows bug (CVE-2013-5065) was exploited in conjunction with a patched Adobe Reader bug (CVE-2013-3346) to evade the Reader sandbox.

Kaspersky Lab revealed the vulnerability was used in Epic Turla (cyber-espionage campaigns).

Known malware:


Vulnerability details

Advisory: SB2013112701 - Privilege escalation in Microsoft Windows

Vulnerable component: Windows

CVE-ID: CVE-2013-5065

CVSSv3 score: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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 local attacker to obtain elevated privileges on the target system.

The weakness exists due to improper validation of input by the NDProxy.sys kernel component. A local attacker with valid login credentials can use a malicious application to gain kernel privileges and execute arbitrary code on the system.

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

Note: the vulnerability was being actively exploited.

Public Exploits: