Security Bulletin: Multiple vulnerabilities in IBM HTTP Server used by WebSphere Application Server

Summary

There are multiple vulnerabilities in the IBM HTTP Server used by WebSphere Application Server. This has been addressed.

Vulnerability Details

CVEID:CVE-2020-1927
**DESCRIPTION:**Apache HTTP Server could allow a remote attacker to conduct phishing attacks, caused by an open redirect vulnerability in the mod_rewrite module. An attacker could exploit this vulnerability using a specially-crafted URL to redirect a victim to arbitrary Web sites.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/178936 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N)

CVEID:CVE-2020-1934
**DESCRIPTION:**Apache HTTP Server could allow a remote attacker to execute arbitrary code on the system, caused by the use of uninitialized value in mod_proxy_ftp. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service condition on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/178937 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

This vulnerability affects the following version and release of IBM HTTP Server (powered by Apache) component in all editions of WebSphere Application Server and bundling products.

Affected Product(s)

| Versions
—|—
IBM HTTP Server| 9.0
IBM HTTP Server| 8.5
IBM HTTP Server| 8.0
IBM HTTP Server| 7.0

Remediation/Fixes

For IBM HTTP Server used by WebSphere Application Server:

For V9.0.0.0 through 9.0.5.3:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH21992
· Apply Fix Pack 9.0.5.4 or later (targeted availability 2Q2020).

For V8.5.0.0 through 8.5.5.17:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH21992
--OR–
· Apply Fix Pack 8.5.5.18 or later (targeted availability 3Q2020).

For V8.0.0.0 through 8.0.0.15:
· Upgrade to 8.0.0.15 and then apply Interim Fix PH21992

For V7.0.0.0 through 7.0.0.45:
· Upgrade to 7.0.0.45 and then apply Interim Fix PH21992

Additional interim fixes may be available and linked off the interim fix download page.

_IBM HTTP Server V7.0 and V8.0 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. _

Important Note

IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and
integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will
be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential
risk.

Workarounds and Mitigations

None