#VU16160 Stack-based buffer overflow in IBM DB2 - CVE-2018-1897

Vulnerability identifier: #VU16160

Vulnerability risk: Low

CVSSv4.0: 5.9 [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-2018-1897

CWE-ID: CWE-121

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 vulnerability exists due to stack-based buffer overflow when handling malicious input. A local attacker can run a specially crafted application to trigger memory corruption and execute arbitrary commands on the target system with elevated privileges.

Mitigation
Install update from vendor's website.

Vulnerable software versions

IBM DB2: 9.7.0.0 - 9.7.0.11, 10.1 - 10.1.0.5, 10.5.0.0 - 10.5.0.9, 11.1.0.0

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External links
https://www-01.ibm.com/support/docview.wss?uid=ibm10737295

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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.