A vulnerability was found in IBM Informix Dynamic Server Enterprise Edition 12.1 (Information Management Software). It has been classified as critical. This affects an unknown functionality of the component Symbolic Link Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was shared 08/20/2019 (Website). It is possible to read the advisory at exchange.xforce.ibmcloud.com. This vulnerability is uniquely identified as CVE-2018-1634 since 12/13/2017. Attacking locally is a requirement. The successful exploitation needs a authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/27/2023). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-140375, VDB-140376, VDB-140377 and VDB-140378 are related to this item.

Productinfo

Type

• Information Management Software

Vendor

• IBM

Name

• Informix Dynamic Server Enterprise Edition

Version

• 12.1

License

• commercial

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