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HistoryMar 06, 2021 - 5:41 p.m.

Security Bulletin: IBM API Connect is vulnerable to denial of service (DoS) via Node.js (CVE-2020-8277)

2021-03-0617:41:55
www.ibm.com
8

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

Summary

IBM API Connect has addressed the following vulnerability.

Vulnerability Details

CVEID:CVE-2020-8277
**DESCRIPTION:**Node.js is vulnerable to a denial of service. By getting the application to resolve a DNS record with a larger number of responses, an attacker could exploit this vulnerability to trigger a DNS request for a host of their choice resulting in a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/191755 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

| Version(s)
—|—
IBM API Connect| V10.0.1.1
IBM API Connect| V2018.4.1.0-2018.4.1.13

Remediation/Fixes

Affected Product Addressed in VRMF APAR Remediation/First Fix

IBM API Connect

V2018.4.1.0-2018.4.1.13

| 2018.4.1.15|

LI82024

|

Addressed in IBM API Connect V2018.4.1.15.

All components are impacted.

Follow this link and find the appropriate packages.

http://www.ibm.com/support/fixcentral/swg/quickorder

IBM API Connect

V10.0.1.1

| 10.0.1.2|

LI82024

|

Addressed in IBM API Connect V10.0.1.2

All components are impacted.

Follow this link and find the appropriate packages.

http://www.ibm.com/support/fixcentral/swg/quickorder

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

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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