#VU15906 Insecure DLL loading in IBM DB2 - CVE-2018-1802

Vulnerability identifier: #VU15906

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1802

CWE-ID: CWE-427

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 compromise vulnerable system.

The vulnerability exists due to insecure .dll loading mechanism when opening files. A local attacker can place a file along with specially crafted .dll file on a remote SBM or WebDAV share, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current victim.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
The vulnerability has been fixed in the versions 9.7 FP11, 10.1 FP6, 10.5 FP10, 11.1.3.3 iFix002.

Vulnerable software versions

IBM DB2: 9.7 - 9.7.0.11, 10.1 - 10.1.0.6, 10.5 - 10.5.0.9, 11.1 FP1 - 11.1.3.3 iFix002

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External links
https://www-01.ibm.com/support/docview.wss?uid=ibm10733122

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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.