IBM DB2 up to 11.5 Shared Memory Request privileges management

Summaryinfo

A vulnerability marked as critical has been reported in IBM DB2 9.7/10.1/10.5/11.1/11.5. This vulnerability affects unknown code of the component Shared Memory. This manipulation as part of Request causes privileges management. This vulnerability is tracked as CVE-2020-4414. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in IBM DB2 9.7/10.1/10.5/11.1/11.5 (Database Software) and classified as critical. Affected by this vulnerability is an unknown code of the component Shared Memory. The manipulation as part of a Request leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local attacker to perform unauthorized actions on the system, caused by improper usage of shared memory. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service. IBM X-Force ID: 179989.

The weakness was disclosed 07/01/2020 (Website). It is possible to read the advisory at ibm.com. This vulnerability is known as CVE-2020-4414 since 12/30/2019. Attacking locally is a requirement. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/02/2020). 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-157568, VDB-157566, VDB-157565 and VDB-157563 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Database Software

Vendor

• IBM

Name

• DB2

Version

• 9.7
• 10.1
• 10.5
• 11.1
• 11.5

License

• commercial

Website

• Vendor: https://www.ibm.com/

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