Security Bulletin: Rational Build Forge Security Advisory for Apache HTTP Server (CVE-2019-0190; CVE-2018-17189; CVE-2018-17199)

Summary

Apache HTTP Server has security vulnerabilities that allows a remote attacker to exploit the application. Respective security vulnerabilities are discussed in detail in the subsequent sections.

Vulnerability Details

This section includes the vulnerability details that affects the Rational Build Forge.

CVEID: CVE-2019-0190 **DESCRIPTION:*Apache HTTP Server is vulnerable to a denial of service, caused by the improper handling of client negotiations by mod_ssl. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop. CVSS Base Score: 5.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/156005 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-2018-17189
DESCRIPTION: Apache HTTP Server is vulnerable to a denial of service. By sending request bodies in a slow loris way to plain resources, a remote attacker could exploit this vulnerability to cause a denial of service for HTTP/2 connections. CVSS Base Score: 5.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/156007 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-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 Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

IBM Rational Build Forge from 8.0.0.10.

Remediation/Fixes

You must download the Fix pack specified in the following table and apply it.

Affected Supporting Product

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Remediation/Fix

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IBM Rational Build Forge 8.0.0.10

| Rational Build Forge 8.0.0.11 Download .

Workarounds and Mitigations

None.