SB2018072301 - Multiple vulnerabilities in VMware Horizon
Published: July 23, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Null pointer dereference (CVE-ID: CVE-2018-6972)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows an adjacent attacker to cause DoS condition on the target system.
The vulnerability exists due to NULL pointer dereference in the RPC handler. An adjacent attacker can cause the virtual machine to crash.
2) Information disclosure (CVE-ID: CVE-2018-6971)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.
The vulnerability exists due to the system logs authentication credentials in the 'vmmsi.log' log file when an account other than the current user account is specified during installation. A local attacker can view the passwords.
Remediation
Install update from vendor's website.