Privilege escalation in IBM DB2 - CVE-2018-1781

 

Privilege escalation in IBM DB2 - CVE-2018-1781

Published: November 16, 2018


Vulnerability identifier: #VU15920
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1781
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: IBM Corporation
Affected software:
IBM DB2

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper privileges and access controls. A a local db2 instance owner can exploit a symbolic link attack to read/write/corrupt a file that he originally did not have permission to access and obtain root access to the system.


How to mitigate CVE-2018-1781

Install update from vendor's website.

Sources