Security Bulletin
Summary
There are multiple vulnerabilities in the IBM HTTP Server used by WebSphere Application Server.
Vulnerability Details
CVEID:
CVE-2018-1301
DESCRIPTION: Apache HTTPD is vulnerable to a denial of service, caused by an out-of-bounds access error after a header size limit has been reached reading the HTTP header. By sending a specially crafted HTTP request, an attacker could exploit this vulnerability to cause the service to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/140852
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID:
CVE-2017-15715
DESCRIPTION: Apache HTTPD could allow a remote attacker to bypass security restrictions, caused by the < FilesMatch > expression matching '$' to a newline character in a malicious filename instead of the end of the filename. By matching the trailing portion of the filename, an attacker could exploit to bypass security controls that use the < FilesMatch > directive.
CVSS Base Score: 3.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/140857
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)
CVEID:
CVE-2017-15710
DESCRIPTION: Apache HTTPD is vulnerable to a denial of service, caused by an out-of-bounds memory write error. By sending a specially crafted Accept-Language header value, an attacker could exploit this vulnerability to cause the service to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/140858
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
- Version 9.0
- Version 8.5
- Version 8.0
- Version 7.0
Remediation/Fixes
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI95670
--OR--
· Apply Fix Pack 9.0.0.8 or later.
For V8.5.0.0 through 8.5.5.13:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI95670
--OR--
· Apply Fix Pack 8.5.5.14.
For V8.0.0.0 through 8.0.0.14:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix
PI95670
For V7.0.0.0 through 7.0.0.43:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix
PI95670
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Important Note
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References
Change History
11 April 2018: Original document published
12 April 2018: updated description and score for CVE-2017-15715
*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.
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Document Information
Modified date:
19 February 2019
UID
swg22015344