Security Bulletin
Summary
IBM® Db2® is affected by multiple vulnerabilities in the included Expat 3rd party library. This fix provides an upgrade to the Expat library.
Vulnerability Details
CVEID: CVE-2022-23852
DESCRIPTION: Expat (aka libexpat) could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in the XML_GetBuffer function. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/218007 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVEID: CVE-2022-23990
DESCRIPTION: Expat (aka libexpat) could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in the doProlog function. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/218206 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
Affected Product(s) | Version(s) |
DB2 | 11.1.x |
DB2 | 10.5.x |
DB2 | 9.7.x |
DB2 | 10.1.x |
Remediation/Fixes
Customers running any vulnerable fixpack level of an affected Program, V9.7, V10.1, V10.5, and v11.1 can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent fixpack level for each impacted release: V9.7 FP11, V10.1 FP6, V10.5 FP11, and V11.1.4 FP6. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.
Workarounds and Mitigations
None
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References
Acknowledgement
Change History
20 Apr 2022: 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:
20 April 2022
UID
ibm16573293