Security Bulletin
Summary
Multiple vulnerabilities in Eclipse Jetty used by IBM InfoSphere Information Server were addressed.
Vulnerability Details
DESCRIPTION: Eclipse Jetty, as bundled in Jenkins, could allow a remote attacker to obtain sensitive information, caused by an issue with corrupt HTTP response buffer being sent to different clients. By sending a specially-crafted HTTP request, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
CVSS Base score: 9.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185436 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L)
CVEID: CVE-2020-27216
DESCRIPTION: Eclipse Jetty could allow a local authenticated attacker to gain elevated privileges on the system, caused by a race condition in the creation of the temporary subdirectory. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190474 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| InfoSphere Information Server | 11.7 |
| InfoSphere Information Server | 11.5 |
Remediation/Fixes
| Product | VRMF | APAR | Remediation/First Fix |
| InfoSphere Information Server, Information Server on Cloud | 11.7 | JR63436 |
--Upgrade your Update Installer to version 11.7.1.85 or later --Apply InfoSphere Information Server version 11.7.1.0 --Apply InfoSphere Information Server version 11.7.1.1 --Apply Information Server 11.7.1.1 Service Pack 1 --For Red Hat 8 installations, contact IBM Customer Support |
| InfoSphere Information Server, Information Server on Cloud | 11.5 | JR63436 |
--Upgrade your Update Installer to version 11.7.1.85 or later |
Contact Technical Support:
In the United States and Canada dial 1-800-IBM-SERV
View the support contacts for other countries outside of the United States.
Electronically open a Service Request with Information Server Technical Support.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
01 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 April 2021
UID
ibm16436411