Security Bulletin
Summary
Impact The vulnerability may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a allowlist limited to the minimal required types. Patches If you rely on XStream's default blocklist of the Security Framework, you will have to use at least version 1.4.17.
Vulnerability Details
CVEID: CVE-2021-29505
DESCRIPTION: XStream XStream could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by improper input validation. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202795 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| ITNCM | 6.4.2 |
Remediation/Fixes
| Affected Product(s) | Version(s) | Remediation |
| ITNCM | 6.4.2 | Upgrade to ITNCM 6.4.2 Fix Pack 14 (6.4.2.14) |
ITNCM 6.4.2 Fix Pack 14 can be downloaded from Fix Central
Workarounds and Mitigations
None
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References
Change History
10 Aug 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:
23 August 2021
UID
ibm16483053