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 Server | 14.10 |
Remediation/Fixes
Version | Fix | |
IBM Informix Dynamic Server | 14.10.xC5 |
Passport Advantage
IBM Informix Advanced Developer Edition V14.10.FC5 Multiplatform English eAssembly (CJ8TTEN) |
Workarounds and Mitigations
None
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References
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
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Document Information
Modified date:
01 June 2022
UID
ibm16448568