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ibmIBM777EB533D5BEA1C32E0486E7AE4845B84A52FBB7EBCDEB8E44BAF79F3C9EEAC6
HistoryApr 27, 2022 - 11:08 p.m.

Security Bulletin: A vulnerability in Kafka affects IBM InfoSphere Information Server (CVE-2021-38153)

2022-04-2723:08:14
www.ibm.com
8

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

54.1%

JSON

Summary

A vulnerability in Kafka that is used by IBM InfoSphere Information Server is addressed.

Vulnerability Details

CVEID:CVE-2021-38153
**DESCRIPTION:**Apache Kafka could allow a remote attacker to obtain sensitive information, caused by a timing attack flaw due to the use of “Arrays.equals” to validate a password or key. By utilizing brute-force attack techniques, an attacker could exploit this vulnerability to obtain credentials information, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/209762 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Affected Product(s) Version(s)
InfoSphere Information Server, Information Server on Cloud 11.7

Remediation/Fixes

Product VRMF APAR Remediation
InfoSphere Information Server, InfoSphere Information Server on Cloud 11.7 JR64703 --Apply IBM InfoSphere Information Server version 11.7.1.0
--Apply IBM InfoSphere Information Server version 11.7.1.3
--Apply Information Server 11.7.1.3 Service pack 4

Workarounds and Mitigations

None

CPENameOperatorVersion
infosphere information servereq11.7

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5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

54.1%

JSON
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