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ibmIBM1DAFFF28AC34C8DA1A937E9644BE4D8E8B813CF125F13D52F12ED92015236660
HistoryJun 30, 2021 - 9:03 p.m.

Security Bulletin: A denial of service vulnerability in OpenSSL affects IBM InfoSphere Information Server

2021-06-3021:03:03
www.ibm.com
30

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.003 Low

EPSS

Percentile

66.1%

Summary

A denial of service vulnerability in OpenSSL used by IBM InfoSphere Information Server was addressed.

Vulnerability Details

CVEID:CVE-2020-1971
**DESCRIPTION:**OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference. If the GENERAL_NAME_cmp function contain an EDIPARTYNAME, an 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/192748 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)

Affected Products and Versions

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

Remediation/Fixes

Product VRMF APAR Remediation/First Fix
InfoSphere Information Server, Information Server on Cloud 11.7 JR63253
--Apply InfoSphere Information Server version 11.7.1.0
--Apply InfoSphere Information Server version 11.7.1.0 Fix Pack 1
--Apply InfoSphere Information Server 11.7.1.1 Service Pack 1

For Red Hat 8 installations, contact IBM Customer support.

Note: The ODBC drivers are not affected by this vulnerability.

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

None

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.003 Low

EPSS

Percentile

66.1%