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Category:   Application (Generic)  >   IBM Tivoli Monitoring Vendors:   IBM
(IBM Issues Fix for IBM Tivoli Monitoring) Apache HTTPD Bugs Let Remote Users Deny Service and Bypass Authentication in Certain Cases
SecurityTracker Alert ID:  1040452
SecurityTracker URL:  http://securitytracker.com/id/1040452
CVE Reference:   CVE-2017-3167, CVE-2017-3169, CVE-2017-7659, CVE-2017-7668, CVE-2017-7679   (Links to External Site)
Date:  Mar 6 2018
Impact:   Denial of service via network, Not specified
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.2.3, 6.2.3.1, 6.2.3.2, 6.2.3.3, 6.2.3.4, 6.2.3.5, 6.3.0.2, 6.3.0.3, 6.3.0.4, 6.3.0.5, 6.3.0.6, 6.3.0.7
Description:   Several vulnerabilities were reported in Apache HTTPD. A remote user can cause the target service to crash. A remote user can bypass authentication. IBM Tivoli Monitoring is affected.

A remote user can send a specially crafted HTTP/2 request to trigger a null pointer dereference in the mod_http2 component and cause the server process to crash [CVE-2017-7659]. Versions 2.4.24 and 2.4.25 are affected.

A remote user may be able to exploit applications that use the legacy ap_get_basic_auth_pw() function outside of the authentication phase to bypass authentication [CVE-2017-3167].

A remote user can send a specially crafted sequence of request headers to trigger a buffer overread error in ap_find_token() and cause a segmentation fault [CVE-2017-7668]. Versions 2.2.32, 2.4.24, and 2.4.25 are affected.

A buffer overread error may occur in mod_mime when sending a specially crafted Content-Type response header [CVE-2017-7679]. The impact was not specified.

A remote user can send a specially crafted HTTP request to an HTTPS port to trigger a null pointer dereference in mod_ssl via a third party module [CVE-2017-3169]. The impact was not specified.

Vasileios Panopoulos and AdNovum Informatik AG, ChenQin, Hanno Bock, Robert Swiecki, Emmanuel Dreyfus, and Javier Jimenez (javijmor@gmail.com) reported these vulnerabilities.

Impact:   A remote user can cause the target service to crash.

A remote user can bypass authentication on the target system.

A remote user can obtain potentially sensitive information on the target system.

Solution:   IBM has issued a fix for IBM Tivoli Monitoring.

The IBM advisory is available at:

https://www-01.ibm.com/support/docview.wss?uid=swg22011813

Vendor URL:  www-01.ibm.com/support/docview.wss?uid=swg22011813 (Links to External Site)
Cause:   Access control error, Boundary error
Underlying OS:  Linux (Any), UNIX (AIX), UNIX (HP/UX), UNIX (Solaris - SunOS), Windows (Any)

Message History:   This archive entry is a follow-up to the message listed below.
Jun 20 2017 Apache HTTPD Bugs Let Remote Users Deny Service and Bypass Authentication in Certain Cases



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