Vulnerability identifier: #VU13593

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-1677

CWE-ID: CWE-502

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
IBM DB2
Server applications / Database software

Vendor: IBM Corporation

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

IBM DB2: 11.1.0.0, 10.5, 10.1, 9.7, 9.5.0.0

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External links
http://www-01.ibm.com/support/docview.wss?uid=swg22012479

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.