Information disclosure in IBM DB2 - CVE-2018-1857
Published: November 28, 2018 / Updated: December 3, 2018
Vulnerability identifier: #VU16209
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-1857
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to obtain potentially sensitive information.
The vulnerability exists due to Db2's Row and Column Access Control (RCAC) rules are not being enforced when creating a table using AS (CTAS) sub-select statements. A local attacker can create a table using AS (CTAS) sub-select statements to bypass Row and Column Access Control (RCAC) rules when using the 'WITH DATA' clause to select and insert data, allowing a user to bypass FGAC access controls and gain access important data.
Affected software
IBM DB2
How to mitigate CVE-2018-1857
Update to version 11.1.4.4.
IBM DB2 - update to 11.1.4.4