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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 Gateway1.0

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

Get Notified about Future Security Bulletins

References

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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

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Document Information

Modified date:
28 May 2021

UID

ibm16457315