IBM Support

Security Bulletin: IBM Informix Dynamic Server is vulnerable to a stack based buffer overflow, caused by improper bounds checking.

Security Bulletin


Summary

IBM Informix Dynamic Server is vulnerable to a stack based buffer overflow, caused by improper bounds checking.

Vulnerability Details

CVEID:   CVE-2021-20515
DESCRIPTION:   IBM Informix Dynamic Server is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A local privileged user could overflow a buffer and execute arbitrary code on the system or cause a denial of service condition.
CVSS Base score: 6.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198366 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Informix Dynamic Server14.10

Remediation/Fixes


VersionFix
IBM Informix Dynamic Server14.10.xC5 Passport Advantage

IBM Informix Advanced Developer Edition V14.10.FC5 Multiplatform English eAssembly (CJ8TTEN)

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

The vulnerability was reported to IBM by Ruhai Zhang, BEIJING DBSEC TECHNOLOGY CO., LTD.

Change History

29 Apr 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSB2ML","label":"Informix Dynamic Server"},"Component":"","Platform":[{"code":"PF016","label":"Linux"},{"code":"PF010","label":"HP-UX"},{"code":"PF027","label":"Solaris"},{"code":"PF002","label":"AIX"},{"code":"PF033","label":"Windows"}],"Version":"14.10.xC5","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
01 June 2022

UID

ibm16448568