Zero-day vulnerability in Windows

Privilege escalation
CVE-2010-3338

The vulnerability was used by Stuxnet.

Known malware:

W32.Stuxnet TDL-4 rootkit (TDSS) Trojan.Generic.KDV.128306

Vulnerability details

Advisory: SB2010121402 - Privilege escalation in Windows Task Scheduler

Vulnerable component: Windows

CVE-ID: CVE-2010-3338

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

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Description:

The vulnerability allows a local user obtain elevated privileges on vulnerable system.

The vulnerability exists in Windows Task Scheduler when running scheduled tasks within the intended security context. A local user can create a specially crafted task and execute arbitrary code on vulnerable system with privileges of the local system account.

Successful exploitation of this vulnerability may allow a local user to obtain full access to vulnerable system.

Note: this vulnerability is being actively exploited.

Public Exploits:

- Microsoft Windows - Task Scheduler .XML Privilege Escalation (MS10-092) (Metasploit) [Exploit-DB]

- Microsoft Windows - Task Scheduler Privilege Escalation [Exploit-DB]

External links:

https://technet.microsoft.com/library/security/ms10-092
http://news.softpedia.com/news/Fake-YouTube-Pages-Serve-Trojan-via-Malicious-Java-Applets-186033.sht...
https://securelist.com/analysis/monthly-malware-statistics/36338/monthly-malware-statistics-december...
https://hotforsecurity.bitdefender.com/blog/java-badware-posing-as-youtube-plugin-1025.html

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.