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ibmIBM6114AA58C88DEA3B51D60EE5AA041A1E98B149140679ECA428F08C326A32F6AE
HistoryNov 15, 2021 - 2:27 a.m.

Security Bulletin: IBM WebSphere MQ for HP NonStop Server is affected by OpenSSL vulnerability CVE-2021-3711

2021-11-1502:27:51
www.ibm.com
10

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.068 Low

EPSS

Percentile

93.9%

Summary

A buffer overflow issue described by CVE-2021-3711 was identified in the OpenSSL component of IBM WebSphere MQ.

Vulnerability Details

CVEID:CVE-2021-3711
**DESCRIPTION:**OpenSSL is vulnerable to a buffer overflow, caused by improper bounds checking by the EVP_PKEY_decrypt() function within implementation of the SM2 decryption. By sending specially crafted SM2 content, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208072 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
WebSphere MQ V5.3 for HP NonStop Server (MIPS and Itanium) 5.3.1

Remediation/Fixes

WebSphere MQ V5.3.1 for HPE NonStop 5.3.1.17 IT38363 Apply patch for APAR IT38363

Workarounds and Mitigations

None

CPENameOperatorVersion
websphere mqeq5.3.1

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.068 Low

EPSS

Percentile

93.9%