Bug 1463197 (CVE-2017-3169) - CVE-2017-3169 httpd: mod_ssl NULL pointer dereference
Summary: CVE-2017-3169 httpd: mod_ssl NULL pointer dereference
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2017-3169
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1463208 1464874 1464875 1465916 1473691 1473692 1473693 1473696 1473697 1510060 1510061 1510062
Blocks: 1463212 1464082 1524240
TreeView+ depends on / blocked
 
Reported: 2017-06-20 11:20 UTC by Andrej Nemec
Modified: 2021-02-17 02:00 UTC (History)
47 users (show)

Fixed In Version: httpd 2.2.34, httpd 2.4.26
Doc Type: If docs needed, set a value
Doc Text:
A NULL pointer dereference flaw was found in the httpd's mod_ssl module. A remote attacker could use this flaw to cause an httpd child process to crash if another module used by httpd called a certain API function during the processing of an HTTPS request.
Clone Of:
Environment:
Last Closed: 2019-06-08 03:15:17 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2017:2478 0 normal SHIPPED_LIVE Important: httpd security update 2017-08-15 22:11:45 UTC
Red Hat Product Errata RHSA-2017:2479 0 normal SHIPPED_LIVE Important: httpd security update 2017-08-15 22:23:44 UTC
Red Hat Product Errata RHSA-2017:2483 0 normal SHIPPED_LIVE Important: httpd24-httpd security update 2017-08-17 03:04:17 UTC
Red Hat Product Errata RHSA-2017:3193 0 normal SHIPPED_LIVE Important: httpd security update 2017-11-13 22:35:40 UTC
Red Hat Product Errata RHSA-2017:3194 0 normal SHIPPED_LIVE Important: httpd security update 2017-11-13 22:36:28 UTC
Red Hat Product Errata RHSA-2017:3195 0 normal SHIPPED_LIVE Important: httpd security update 2017-11-13 22:35:58 UTC
Red Hat Product Errata RHSA-2017:3475 0 normal SHIPPED_LIVE Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 security update 2017-12-16 03:23:06 UTC
Red Hat Product Errata RHSA-2017:3476 0 normal SHIPPED_LIVE Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 security update 2017-12-16 03:34:21 UTC
Red Hat Product Errata RHSA-2017:3477 0 normal SHIPPED_LIVE Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 security update 2017-12-16 03:34:40 UTC

Description Andrej Nemec 2017-06-20 11:20:23 UTC 
It was found in httpd that mod_ssl may dereference a NULL pointer when third-party modules call ap_hook_process_connection() during an HTTP request to an HTTPS port.
 
References:

https://lists.apache.org/thread.html/84bf7fcc5cad35d355f11839cbdd13cbc5ffc1d34675090bff0f96ae@%3Cdev.httpd.apache.org%3E

External References:

https://httpd.apache.org/security/vulnerabilities_24.html
https://httpd.apache.org/security/vulnerabilities_22.html
Comment 1 Andrej Nemec 2017-06-20 11:37:24 UTC 
Created httpd tracking bugs for this issue:

Affects: fedora-all [bug 1463208]
Comment 2 Tomas Hoger 2017-06-22 11:54:03 UTC 
Upstream commit:

2.4: https://github.com/apache/httpd/commit/54e0c857b1b019c147b778c09d5e72d99183ff61
2.2: https://github.com/apache/httpd/commit/3fdeae4ddcaae251ae99bdd4421ab14aac53a502
Comment 12 errata-xmlrpc 2017-08-15 18:13:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2017:2478 https://access.redhat.com/errata/RHSA-2017:2478
Comment 13 errata-xmlrpc 2017-08-15 18:26:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:2479 https://access.redhat.com/errata/RHSA-2017:2479
Comment 14 errata-xmlrpc 2017-08-16 23:06:35 UTC 
This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 6
  Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS

Via RHSA-2017:2483 https://access.redhat.com/errata/RHSA-2017:2483
Comment 17 errata-xmlrpc 2017-11-13 17:36:51 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.2 Extended Update Support

Via RHSA-2017:3193 https://access.redhat.com/errata/RHSA-2017:3193
Comment 18 errata-xmlrpc 2017-11-13 17:39:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6.7 Extended Update Support

Via RHSA-2017:3195 https://access.redhat.com/errata/RHSA-2017:3195
Comment 19 errata-xmlrpc 2017-11-13 17:40:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.3 Extended Update Support

Via RHSA-2017:3194 https://access.redhat.com/errata/RHSA-2017:3194
Comment 20 errata-xmlrpc 2017-12-15 22:23:43 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Core Services

Via RHSA-2017:3475 https://access.redhat.com/errata/RHSA-2017:3475
Comment 21 errata-xmlrpc 2017-12-15 22:35:25 UTC 
This issue has been addressed in the following products:

  JBoss Core Services on RHEL 7

Via RHSA-2017:3476 https://access.redhat.com/errata/RHSA-2017:3476
Comment 22 errata-xmlrpc 2017-12-15 22:37:01 UTC 
This issue has been addressed in the following products:

  JBoss Core Services on RHEL 6

Via RHSA-2017:3477 https://access.redhat.com/errata/RHSA-2017:3477
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