Security Bulletin
Summary
IBM® Db2® is affected by multiple vulnerabilities in the open source zlib library.
Vulnerability Details
CVEID: CVE-2018-25032
DESCRIPTION: Zlib is vulnerable to a denial of service, caused by a memory corruption in the deflate operation. By using many distant matches, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/222615 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVEID: CVE-2002-0059
DESCRIPTION:
zlib could allow a remote attacker to cause dynamically allocated memory segments to be released twice. A remote attacker could pass specially-crafted compressed data to a program that is linked to a vulnerable version of zlib to cause the corruption of internal memory segments, which could result in a denial of service against the affected program, memory leaks, or the execution of arbitrary code on the system.
CVSS Base score: 7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/8427 for the current score.
CVSS Vector:
CVEID: CVE-2022-37434
DESCRIPTION: zlib is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by inflate in inflate.c. By using a large gzip header extra field, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/232849 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Affected Products and Versions
Affected Product(s) | Version(s) | Applicable Editions |
IBM® Db2® |
10.5.0.11 |
Client and Server |
IBM® Db2® |
11.1.4.7 |
Client and Server |
IBM® Db2® |
11.5.x | Client and Server |
All platforms are affected.
Earlier releases (10.1, 9.7 etc.) may also be affected, but they are no longer supported.
Remediation/Fixes
Customers running any vulnerable fixpack level of an affected Program, V10.5, v11.1 and V11.5, 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: V10.5 FP11, V11.1.4 FP7, and V11.5.9. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.
Release | Fixed in fix pack | APAR | Download URL |
V10.5 | TBD | DT238513 | Special Build for V10.5 FP11:
AIX 64-bit |
V11.1 | TBD | DT238513 |
Special Build for V11.1.4 FP7: AIX 64-bit |
V11.5 | TBD | DT238513 |
Special Build for V11.5.0:
AIX 64-bit |
IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.
Workarounds and Mitigations
None
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References
Acknowledgement
Change History
20 Dec 2023: Updated URL for the Windows 64-bit for 11.1 which missed some Java cab files during packaging
01 Dec 2023: 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
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. "Affected Products and Versions" referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions.
Document Location
Worldwide
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Document Information
Modified date:
20 December 2023
UID
ibm17087162