SB2018070912 - Privilege escalation in IBM DB2
Published: July 9, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Privilege escalation (CVE-ID: CVE-2018-1566)
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to a flaw on systems that invoke the tool with elevated privileges. A local attacker can trigger a format string flaw in the 'db2support' tool and execute arbitrary ode with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Insecure DLL loading (CVE-ID: CVE-2018-1487)
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to untrusted path flaw in DB2 when loading libraries. A local attacker can place a file along with specially crafted .dll file on a remote SBM or WebDAV share and execute arbitrary code on the target system with elevated privileges.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
3) Insecure DLL loading (CVE-ID: CVE-2018-1458)
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to untrusted search path flaw in the DB2 Administration Server (DAS) component. A local attacker can place a file along with specially crafted .dll file on a remote SBM or WebDAV share and execute arbitrary code on the target system with elevated privileges.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Install update from vendor's website.