SB2017121910 - Multiple vulnerabilities in VmWare products
Published: December 19, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Privilege escalation (CVE-ID: CVE-2017-4943)
The vulnerability allows a local attacker to gain elevated privileges on the target system.The weakness exists in VMware vCenter Server Appliance due to a flaw in the 'showlog' plugin. A local attacker can gain root level privileges over the appliance base OS.
2) Stored cross-site scripting (CVE-ID: CVE-2017-4940)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
3) Type confusion (CVE-ID: CVE-2017-4941)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the remote management functionality due to improper handling of Virtual Network Computing (VNC) packets. A remote attacker can send a series of VNC packets, cause a type confusion and stack overwrite to execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Heap-based buffer overflow (CVE-ID: CVE-2017-4933)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the remote management functionality due to improper handling of Virtual Network Computing (VNC) packets. A remote attacker can send a series of VNC packets, cause heap-based buffer overflow to execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.