There are multiple vulnerabilities in the IBM HTTP Server used by WebSphere Application Server.
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 โ$โ 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)
These vulnerabilities affect the following versions and releases of IBM HTTP Server (powered by Apache) component in all editions of WebSphere Application Server and bundling products.
To patch an existing service instance refer to the IBM WebSphere Application Server bulletins listed below:
Alternatively, delete the vulnerable service instance and create a new instance.
none.
Monitor the security notifications on the IBM Cloud Status page to be advised of future security bulletins.
Complete CVSS v3 Guide
On-line Calculator v3
Off
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
11 July 2018: Original document published
*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.
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
[{โProductโ:{โcodeโ:โSSKKCKโ,โlabelโ:โIBM WebSphere Application Server in IBM Cloudโ},โBusiness Unitโ:{โcodeโ:โBU053โ,โlabelโ:โCloud & Data Platformโ},โComponentโ:โโโ,โPlatformโ:[{โcodeโ:โPF025โ,โlabelโ:โPlatform Independentโ}],โVersionโ:โVersion Independentโ,โEditionโ:โโ,โLine of Businessโ:{โcodeโ:โLOB36โ,โlabelโ:โIBM Automationโ}}]