Vulnerability identifier: #VU34127
Vulnerability risk: Low
CVSSv3.1: 8.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Local
Exploit availability: Yes
Vulnerable software:
Windows
Operating systems & Components /
Operating system
Windows Server
Operating systems & Components /
Operating system
Vendor: Microsoft
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the Windows Print Spooler service improperly allows arbitrary writing to the file system. A local user can use a specially crafted application to execute arbitrary code on the target system with elevated privileges.
Note, this vulnerability exists due to incomplete patching of SB2020051253 #1 (CVE-2020-1048)
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Windows: 10 - 10 2004, 8, 8.1, 7 - 7 SP1
Windows Server: 2008 - 2019 2004
External links
http://www.bleepingcomputer.com/news/security/unpatched-bug-in-windows-print-spooler-lets-malware-r...
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1337
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.