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AUSCERT External Security Bulletin Redistribution
ESB-2020.1360
Multiple vulnerabilities in IBM HTTP Server used by
WebSphere Application Server
17 April 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM HTTP Server
Publisher: IBM
Operating System: HP-UX
Solaris
Windows
Linux variants
AIX
Impact/Access: Provide Misleading Information -- Remote with User Interaction
Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-1934 CVE-2020-1927
Original Bulletin:
https://www.ibm.com/support/pages/node/6191631
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Multiple vulnerabilities in IBM HTTP Server used by WebSphere Application
Server
Security Bulletin
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
Get Notified about Future Security Bulletins
References
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