#VU35621 Permissions, Privileges, and Access Controls in Informix Dynamic Server - CVE-2018-1634

Vulnerability identifier: #VU35621

Vulnerability risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1634

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Informix Dynamic Server
Server applications / Web servers

Vendor: IBM Corporation

Description

The vulnerability allows a local privileged user to execute arbitrary code.

IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local user logged in with database administrator user to gain root privileges through a symbolic link vulnerability in infos.DBSERVERNAME. IBM X-Force ID: 144437.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Informix Dynamic Server: 12.10

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External links
https://www.ibm.com/support/docview.wss?uid=ibm10964987
https://exchange.xforce.ibmcloud.com/vulnerabilities/144437
https://security.netapp.com/advisory/ntap-20190903-0002/

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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.