Security Bulletin: Multiple Security Vulnerabilities have been resolved in IBM Application Gateway (CVE-2021-20576, CVE-2021-20575, CVE-2021-29665)

Security Bulletin

Summary

Multiple Security vulnerabilities have been fixed in the IBM Application Gateway product.

Vulnerability Details

CVEID: CVE-2021-20576
DESCRIPTION: IBM Application Gateway could allow a remote attacker to send a specially crafted HTTP GET request that could cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199280 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)

CVEID: CVE-2021-20575
DESCRIPTION: IBM Application Gateway allows web pages to be stored locally which can be read by another user on the system.
CVSS Base score: 4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199278 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2021-29665
DESCRIPTION: IBM Application Gateway is vulnerable to a stack based buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with elevated privileges.
CVSS Base score: 9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199399 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)

Third Party Entry: 199398
DESCRIPTION: IBM Application Gateway could disclose sensitive information in HTTP server headers that could be used in further attacks against the system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199398 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

IBM Application Gateway	1.0

Remediation/Fixes

Fixes for IBM Application Gateway can be downloaded from the ibmcom Docker store.

docker pull ibmcom/ibm-application-gateway:21.04

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

John Zuccato, Rodney Ryan, Chris Shepherd, Nathan Roane, Vince Dragnea, Troy Fisher, Elaheh Samani, and Gabor Minyo from the IBM X-Force Ethical Hacking Team.

Change History

25 May 2021: 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: Multiple Security Vulnerabilities have been resolved in IBM Application Gateway (CVE-2021-20576, CVE-2021-20575, CVE-2021-29665)