Security Bulletin: Vulnerability in Apache HTTP (CVE-2018-17199 and CVE-2020-11993) affects HMC

Summary

Apache HTTP is used by Power Hardware Management Console (HMC). HMC has addressed the applicable CVE’s.

Vulnerability Details

CVEID:CVE-2018-17199
**DESCRIPTION:**Apache HTTP Server could allow a remote attacker to bypass security restrictions, caused by checking the session expiry time before decoding the session by mod_session. An attacker could exploit this vulnerability to ignore session expiry time and gain access to the application.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/156006 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2020-11993
**DESCRIPTION:**Apache HTTP Server is vulnerable to a denial of service, caused by a flaw when trace/debug enabled for the HTTP/2 module and on certain traffic edge patterns. By sending a specially-crafted HTTP/2 Header, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/186405 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

Remediation/Fixes

Remediation/Fixes

The following fixes are available on IBM Fix Central at: <http://www-933.ibm.com/support/fixcentral/&gt;

Product

|

VRMF

|

APAR

|

Remediation/Fix

—|—|—|—

Power HMC

|

V9.2.952.0 ppc

|

MB04300

|

MH01905

Power HMC

|

V9.2.952.0 x86

|

MB04299

|

MH01904

Power HMC

|

V10.1.1010.0 ppc

|

MB04291

|

MF68970

Power HMC

|

V10.1.1010.0 x86

|

MB04294

|

MF68994

Workarounds and Mitigations

None