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HistoryFeb 12, 2024 - 7:15 p.m.

Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in VMware Tanzu Spring Framework [CVE-2023-20861, CVE-2023-20860]

2024-02-1219:15:03
www.ibm.com
22
ibm infosphere
info server
vmware tanzu spring
vulnerabilities
denial of service
security bypass

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.5 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.001 Low

EPSS

Percentile

47.8%

Summary

Multiple vulnerabilities in VMware Tanzu Spring Framework used by InfoSphere Information Server were addressed. [CVE-2023-20861, CVE-2023-20860]

Vulnerability Details

CVEID:CVE-2023-20861
**DESCRIPTION:**VMware Tanzu Spring Framework is vulnerable to a denial of service. By sending a specially crafted SpEL expression, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/250701 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2023-20860
**DESCRIPTION:**VMware Tanzu Spring Framework could allow a remote attacker to bypass security restrictions, caused by the use of an un-prefixed double wildcard pattern with the mvcRequestMatcher in Spring Security configuration. An attacker could exploit this vulnerability to create a mismatch in pattern matching between Spring Security and Spring MVC.
CVSS Base score: 9.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/250679 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)

Affected Products and Versions

Affected Product(s) Version(s)
InfoSphere Information Server 11.7

Remediation/Fixes

IBM strongly suggests you apply the following remediation / fixes:

Product VRMF APAR Remediation
InfoSphere Information Server, InfoSphere Information Server on Cloud 11.7 DT208807 --Apply IBM InfoSphere Information Server version 11.7.1.0
--Apply InfoSphere Information Server version 11.7.1.4
--Apply InfoSphere Information Server 11.7.1.4 Service pack 1
--Apply Information Server Microservices tier security patch

Workarounds and Mitigations

None

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.5 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.001 Low

EPSS

Percentile

47.8%