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Bug 1338896 - (CVE-2015-8876) CVE-2015-8876 php: Zend/zend_exceptions.c does not validate certain Exception objects
CVE-2015-8876 php: Zend/zend_exceptions.c does not validate certain Exception...
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=20150804,repor...
: Security
Depends On: 1338927
Blocks: 1338914
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Reported: 2016-05-23 11:25 EDT by Andrej Nemec
Modified: 2016-11-15 09:36 EST (History)
13 users (show)

See Also:
Fixed In Version: php 5.4.44, php 5.5.28, php 5.6.12
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2016-06-01 10:44:34 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:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:2750 normal SHIPPED_LIVE Moderate: rh-php56 security, bug fix, and enhancement update 2016-11-15 11:40:02 EST

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Description Andrej Nemec 2016-05-23 11:25:42 EDT 
A vulnerability was found in php. Zend/zend_exceptions.c in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 does not validate certain Exception objects, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or trigger unintended method execution via crafted serialized data.

Upstream bug:

https://bugs.php.net/bug.php?id=70121
Comment 1 Andrej Nemec 2016-05-23 12:35:57 EDT 
Created php tracking bugs for this issue:

Affects: fedora-all [bug 1338927]
Comment 2 Tomas Hoger 2016-06-01 10:44:34 EDT 
This issue is triggered by deserialization of untrusted input - which is something explicitly documented as insecure:

http://php.net/manual/en/function.unserialize.php
Comment 3 errata-xmlrpc 2016-11-15 06:52:33 EST 
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 7.2 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS

Via RHSA-2016:2750 https://rhn.redhat.com/errata/RHSA-2016-2750.html
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