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Security Bulletin: Vulnerabilities in Apache HTTP (CVE-2021-34798 and CVE-2021-39275) affects Power HMC

Security Bulletin


Summary

Apache HTTP webserver is used by IBM Power Hardware Management Console (HMC) for accepting https request and transfer to and fro to internal applications. This bulletin provides a remediation for the impacted vulnerabilities, CVE-2021-34798 and CVE-2021-39275 by upgrading IBM Power Hardware Management Console (HMC) respective PTF and thus addressing the exposure to the vulnerability.

Vulnerability Details

CVEID:   CVE-2021-34798
DESCRIPTION:   Apache HTTP Server is vulnerable to a denial of service, caused by a NULL pointer dereference in httpd core. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/209518 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-39275
DESCRIPTION:   Apache HTTP Server is vulnerable to a buffer overflow, caused by improper bounds checking by the ap_escape_quotes() function. By sending specially crafted input, a remote attacker could write beyond the end of a buffer.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/209529 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
HMC V10.1.1010.0V10.1.1010.0 and later
HMC V9.2.950.0V9.2.950.0 and later

Remediation/Fixes

The following fixes are available on IBM Fix Central at: http://www-933.ibm.com/support/fixcentral/
Product
VRMF
APAR
Remediation/Fix
Power HMC
V9.2.952.0 ppc
MB04331
Power HMC
V9.2.952.0 x86
MB04330
Power HMC
V10.1.1010.0 ppc
MB04335
Power HMC
V10.1.1010.0 x86
MB04334
 

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

30 May 2022: 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

[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SGGSNP","label":"Hardware Management Console V9"},"Component":"Hardware Management Console","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions","Edition":"Hardware Management Console","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSOQ2E","label":"Hardware Management Console V10"},"Component":"Hardware Management Console","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions","Edition":"Hardware Management Console","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]

Document Information

Modified date:
30 May 2022

UID

ibm16590853

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