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Bug 1382352 - (CVE-2016-6808) CVE-2016-6808 mod_jk: Buffer overflow when concatenating virtual host name and URI
CVE-2016-6808 mod_jk: Buffer overflow when concatenating virtual host name an...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
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Assigned To: Red Hat Product Security
impact=important,public=20161006,repo...
: Security
Depends On: 1384163 1462710
Blocks: 1382353 1395463 1461790
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Reported: 2016-10-06 08:59 EDT by Adam Mariš
Modified: 2018-10-19 17:37 EDT (History)
36 users (show)

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Doc Text:
It was found that the length checks prior to writing to the target buffer for creating a virtual host mapping rule did not take account of the length of the virtual host name, creating the potential for a buffer overflow.
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:2957 normal SHIPPED_LIVE Important: Red Hat JBoss Core Services Apache HTTP 2.4.23 Release 2016-12-15 22:11:19 EST
Red Hat Product Errata RHSA-2017:0193 normal SHIPPED_LIVE Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Release on RHEL 6 2017-01-25 20:05:09 EST
Red Hat Product Errata RHSA-2017:0194 normal SHIPPED_LIVE Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Release on RHEL 7 2017-01-25 20:04:50 EST

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Description Adam Mariš 2016-10-06 08:59:01 EDT 
The IIS/ISAPI specific code implements special handling when a virtual host is present. The virtual host name and the URI are concatenated to create a virtual host mapping rule. It was found that the length checks prior to writing to the target buffer for this rule did not take account of the length of the virtual host name, creating the potential for a buffer overflow.

Upstream patch:

https://svn.apache.org/viewvc?view=revision&revision=1762057

External References:

https://tomcat.apache.org/security-jk.html#Fixed_in_Apache_Tomcat_JK_Connector_1.2.42
Comment 4 errata-xmlrpc 2016-12-15 17:12:27 EST 
This issue has been addressed in the following products:



Via RHSA-2016:2957 https://rhn.redhat.com/errata/RHSA-2016-2957.html
Comment 5 errata-xmlrpc 2017-01-25 15:06:33 EST 
This issue has been addressed in the following products:

  JBoss Core Services on RHEL 7

Via RHSA-2017:0194 https://access.redhat.com/errata/RHSA-2017:0194
Comment 6 errata-xmlrpc 2017-01-25 15:07:55 EST 
This issue has been addressed in the following products:

  JBoss Core Services on RHEL 6

Via RHSA-2017:0193 https://access.redhat.com/errata/RHSA-2017:0193
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