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ibmIBM9009B48FF2B60D4E2BB58339F365089F3AE91AD07E110D7AD9087C371252DD82
HistoryAug 08, 2024 - 3:17 p.m.

Security Bulletin: IBM Cloud Pak for Data is vulnerable to resource exhaustion attack due to github.com/Cloudflare/cfssl ( CVE-2023-39533 )

2024-08-0815:17:25
www.ibm.com
7
ibm cloud pak for data
resource exhaustion attack
github.com/cloudflare/cfssl
denial of service
cve-2023-39533
libp2p go-libp2p
signature verification
rsa keys
cvss base score 7.5
cvss temporal score
affected products
versions
remediation
fix instructions

CVSS3

7.5

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

AI Score

6.5

Confidence

High

EPSS

0.002

Percentile

56.5%

Summary

github.com/Cloudflare/cfssl is used by IBM Cloud Pak for Data. CVE-2023-39533.

Vulnerability Details

CVEID:CVE-2023-39533
**DESCRIPTION:**libp2p go-libp2p is vulnerable to a denial of service, caused by a flaw during the signature verification. By sending a specially crafted request using large RSA keys, a remote attacker could exploit this vulnerability to exhaust available resource, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/263110 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)
**
—|—
IBM Cloud Pak for Data| 4.0.0-4.8.4

Remediation/Fixes

IBM****strongly recommends addressing the vulnerability now.

Product(s)

|

Version(s) number and/or range

|

Remediation/Fix/Instructions

—|—|—

IBM Cloud Pak for Data

|

4.0.0-4.8.4

|

Download 4.8.5 and follow instructions

Workarounds and Mitigations

None

Affected configurations

Vulners
Node
ibmcloud_pak_for_dataMatch4.8.5
VendorProductVersionCPE
ibmcloud_pak_for_data4.8.5cpe:2.3:a:ibm:cloud_pak_for_data:4.8.5:*:*:*:*:*:*:*

CVSS3

7.5

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

AI Score

6.5

Confidence

High

EPSS

0.002

Percentile

56.5%

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