Deserialization of untrusted data in IBM DB2 - CVE-2017-1677
Published: July 6, 2018 / Updated: July 6, 2018
Vulnerability identifier: #VU13593
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:H/SI:H/SA:H/E:U/U:Clear
CVE-ID: CVE-2017-1677
CWE-ID: CWE-502
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: IBM Corporation
Affected software:
IBM DB2
IBM DB2
Detailed vulnerability description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists due to an object deserialization error in the IBM Data Server Driver for JDBC and SQLJ. A local attacker can modify the contents of a file on the target system ('/tmp/connlicj.bin' by default) and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2017-1677
Install update from vendor's website.