CVE-2018-18435 Privilege escalation in n/a
Attackers can escalate privileges to SYSTEM by replacing the service binary due to weak default folder permissions in KioWare Server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-18435?
CVE-2018-18435 is a high-severity vulnerability in n/a, published on 17 Mar 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KioWare Server version 4.9.6 and older installs by default to "C:\kioware_com" with weak folder permissions granting any user full permission "Everyone: (F)" to the contents of the directory and it's sub-folders. In addition, the program installs a service called "KWSService" which runs as "Localsystem", this will allow any user to escalate privileges to "NT AUTHORITY\SYSTEM" by substituting the service's binary with a malicious one.
Weakness: CWE-732
Which versions are affected by CVE-2018-18435?
It affects 1 product.
Products include Kioware Kioware Server.
How do I fix CVE-2018-18435?
No fix has been published for CVE-2018-18435 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-18435 being exploited?
There is no known exploitation of CVE-2018-18435 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-cv2p-jhjf-54gq.