Security Bulletin: Denial of Service with HTTP/2 in IBM DataPower Gateway (CVE-2020-4581)

Security Bulletin

Summary

IBM has addressed the relevant CVE (CVE-2020-4581)

Vulnerability Details

CVEID: CVE-2020-4581
DESCRIPTION: IBM DataPower Gateway could allow a remote attacker to cause a denial of service by sending a chunked transfer-encoding HTTP/2 request.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/184441 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 DataPower Gateway	2018.4.1.0 - 2018.4.1.12

Remediation/Fixes

Affected Product(s)	Fixed in Version	APAR
IBM DataPower Gateway	2018.4.1.13	IT33517

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

"Söderberg, William" <william.soderberg@f-secure.com>

Change History

18 Sep 2020: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: Denial of Service with HTTP/2 in IBM DataPower Gateway (CVE-2020-4581)