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Bug 1406744 - (CVE-2016-0736) CVE-2016-0736 httpd: Padding Oracle in Apache mod_session_crypto
CVE-2016-0736 httpd: Padding Oracle in Apache mod_session_crypto
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20161220,repor...
: Security
Depends On: 1406823 1412975 1412976 1425463
Blocks: 1406828 1457678
  Show dependency tree / graph
 
Reported: 2016-12-21 06:33 EST by Adam Mariš
Modified: 2017-09-06 04:29 EDT (History)
41 users (show)

See Also:
Fixed In Version: httpd 2.4.25
Doc Type: If docs needed, set a value
Doc Text:
It was discovered that the mod_session_crypto module of httpd did not use any mechanisms to verify integrity of the encrypted session data stored in the user's browser. A remote attacker could use this flaw to decrypt and modify session data using a padding oracle attack.
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Clone Of:
Environment:
Last Closed: 2017-07-13 01:30:56 EDT
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Regression: ---
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Documentation: ---
CRM:
Verified Versions:
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oVirt Team: ---
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-2017:0906 normal SHIPPED_LIVE Moderate: httpd security and bug fix update 2017-04-12 12:24:45 EDT
Red Hat Product Errata RHSA-2017:1161 normal SHIPPED_LIVE Moderate: httpd24-httpd security, bug fix, and enhancement update 2017-04-26 10:19:21 EDT
Red Hat Product Errata RHSA-2017:1413 normal SHIPPED_LIVE Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Service Pack 1 for RHEL 7 2017-06-07 17:54:35 EDT
Red Hat Product Errata RHSA-2017:1414 normal SHIPPED_LIVE Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Service Pack 1 for RHEL 6 2017-06-07 17:54:17 EDT
Red Hat Product Errata RHSA-2017:1415 normal SHIPPED_LIVE Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Service Pack 1 2017-06-07 17:43:43 EDT

  None (edit)
Description Adam Mariš 2016-12-21 06:33:21 EST 
It was found that session data/cookies presented to mod_session_crypto were not authenticated that can lead to deciphering or tampering with a padding oracle attack.

Affects version 2.4.x up to 2.4.23

External References:

https://httpd.apache.org/security/vulnerabilities_24.html#2.4.25
https://www.redteam-pentesting.de/advisories/rt-sa-2016-001.txt
Comment 1 Adam Mariš 2016-12-21 10:04:55 EST 
Created httpd tracking bugs for this issue:

Affects: fedora-all [bug 1406823]
Comment 2 Andrej Nemec 2016-12-23 08:12:02 EST 
References:

http://seclists.org/fulldisclosure/2016/Dec/74
Comment 7 Tomas Hoger 2017-02-21 06:16:05 EST 
Upstream commit:

http://svn.apache.org/viewvc?view=revision&revision=1772925
Comment 9 errata-xmlrpc 2017-04-12 08:31:33 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:0906 https://access.redhat.com/errata/RHSA-2017:0906
Comment 10 errata-xmlrpc 2017-04-26 06:22:51 EDT 
This issue has been addressed in the following products:

  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
  Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS

Via RHSA-2017:1161 https://access.redhat.com/errata/RHSA-2017:1161
Comment 11 errata-xmlrpc 2017-06-07 13:45:02 EDT 
This issue has been addressed in the following products:

  Red Hat JBoss Core Services

Via RHSA-2017:1415 https://access.redhat.com/errata/RHSA-2017:1415
Comment 12 errata-xmlrpc 2017-06-07 13:56:46 EDT 
This issue has been addressed in the following products:

  JBoss Core Services on RHEL 6

Via RHSA-2017:1414 https://access.redhat.com/errata/RHSA-2017:1414
Comment 13 errata-xmlrpc 2017-06-07 13:59:31 EDT 
This issue has been addressed in the following products:

  JBoss Core Services on RHEL 7

Via RHSA-2017:1413 https://access.redhat.com/errata/RHSA-2017:1413
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