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Bug 1338893 - (CVE-2015-8878) CVE-2015-8878 php: main/php_open_temporary_file.c does not ensure thread safety
CVE-2015-8878 php: main/php_open_temporary_file.c does not ensure thread safety
Status: CLOSED NOTABUG
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=20150706,repor...
: Security
Depends On: 1338927
Blocks: 1338914
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Reported: 2016-05-23 11:18 EDT by Andrej Nemec
Modified: 2016-06-01 09:59 EDT (History)
13 users (show)

See Also:
Fixed In Version: php 5.5.28, php 5.6.12
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Last Closed: 2016-06-01 09:53:57 EDT
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Description Andrej Nemec 2016-05-23 11:18:36 EDT 
A vulnerability was found in php. main/php_open_temporary_file.c in PHP before 5.5.28 and 5.6.x before 5.6.12 does not ensure thread safety, which allows remote attackers to cause a denial of service (race condition and heap memory corruption) by leveraging an application that performs many temporary-file accesses.

Upstream bug:

https://bugs.php.net/bug.php?id=70002
Comment 1 Andrej Nemec 2016-05-23 12:35:47 EDT 
Created php tracking bugs for this issue:

Affects: fedora-all [bug 1338927]
Comment 2 Tomas Hoger 2016-06-01 09:53:57 EDT 
Upstream identified that this problem was introduced via the following change:

https://bugs.php.net/bug.php?id=66048
http://git.php.net/?p=php-src.git;a=commitdiff;h=c117548ea9365adac00960fe5f43425b2955310d

in versions 5.5.26 and 5.6.10.  Issue was corrected by this patch:

http://git.php.net/?p=php-src.git;a=commitdiff;h=ce5c4500cd942ab85efa1e916ef00de860be9e6e

in versions 5.5.28 and 5.6.12.  No Red Hat product included affected versions.
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