Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2018-8584 |
CWE-ID | CWE-284 |
Exploitation vector | Local |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 1 vulnerabilities.
EUVDB-ID: #VU15487
Risk: Low
CVSSv3.1: 5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2018-8584
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists due to improper access control в Data Sharing Service (dssvc.dll). A local attacker can abuse a new Windows service not checking permissions again, delete OS files or DLLs, replace them with malicious versions and crash the operating system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 - 10 1809
Windows Server: 2016 - 2019
External linkshttp://twitter.com/SandboxEscaper/status/1054744201244692485
http://github.com/SandboxEscaper/randomrepo/blob/master/DeleteBug1.rar
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8584
Q & A
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, proof of concept for this vulnerability is available.