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ibmIBM80DB9F9F74C5BD520FB1DB96783FB5555E836BF210B90BBE4F53895E6BB36B95
HistoryFeb 14, 2023 - 9:14 p.m.

Security Bulletin: A vulnerability exists in golang x/crypto (CVE-2020-9283) which is consumed by IBM CICS TX Standard

2023-02-1421:14:53
www.ibm.com
89
ibm cics tx standard
golang x/crypto
denial of service
vulnerability
cve-2020-9283

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.244 Low

EPSS

Percentile

96.6%

Summary

IBM CICS TX Standard has addressed vulnerability CVE-2020-9283 in golang x/crypto

Vulnerability Details

CVEID:CVE-2020-9283
**DESCRIPTION:**Golang golang.org/x/crypto is vulnerable to a denial of service, caused by an error during signature verification in the golang.org/x/crypto/ssh package. By persuading a victim to run a specially crafted file, a remote attacker could exploit this vulnerability to cause a panic.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/176688 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
IBM CICS TX Standard 11.1

Remediation/Fixes

IBM strongly recommends addressing the vulnerability by downloading and applying the interim fix from the table below

Product

| Version| Defect| Remediation / First Fix
โ€”|โ€”|โ€”|โ€”
IBM CICS TX Standard|

11.1

| 127736| Download fix from here

Workarounds and Mitigations

None

Affected configurations

Vulners
Node
ibmcics_txMatch11.1
CPENameOperatorVersion
cics txeq11.1

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.244 Low

EPSS

Percentile

96.6%