Zero-day vulnerability in Windows

The vulnerability was used by Zirconium cyber-espionage group against older versions of Windows.

Advisory: SB2017031505 - Multiple vulnerabilities in Microsoft Windows

Vulnerable component: Windows

CVE-ID: CVE-2017-0005

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

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

Description:

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to improper handling of objects in memory by Windows Graphics Device Interface (GDI). A local attacker can run a specially crafted application, gain elevated privileges and execute arbitrary code on the affected system.

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

Note: the vulnerability was being actively exploited.

- Right country, wrong group? Researchers say it wasn’t APT10 that hacked Norwegian software firm [2019-02-12 20:31:16]

- Detecting and mitigating elevation-of-privilege exploit for CVE-2017-0005 [2017-03-27 17:00:01]

- Microsoft’s New Security Update Guides Get Mixed Reviews [2017-05-11 21:01:05]

- Microsoft Offers Analysis of Zero-Day Being Exploited By Zirconium Group [2017-03-28 23:20:19]

- Microsoft Quietly Patched Windows Zero-Day Used in Attacks by Zirconium Group [2017-03-27 23:00:45]

- Microsoft Patch Tuesday of March 2017: 18 Security Bulletins; 9 Rated Critical, 9 Important [2017-03-15 08:40:18]

- Microsoft Patches Many Exploited, Disclosed Flaws [2017-03-14 20:10:13]

- Microsoft released 18 security bulletins, 9 rated critical, many bugs disclosed/exploited [2017-03-14 19:40:38]

External links:

https://technet.microsoft.com/en-us/library/security/MS17-013
https://www.symantec.com/security_response/vulnerability.jsp?bid=96033&om_rssid=sr-advisories 
https://blogs.technet.microsoft.com/mmpc/2017/03/27/detecting-and-mitigating-elevation-of-privilege-...