CVE-2016-5399
First published: Wed Jul 20 2016(Updated: )
The bzread function in ext/bz2/bz2.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (out-of-bounds write) or execute arbitrary code via a crafted bz2 archive.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PHP | <7.0.9 | 7.0.9 |
| PHP | <=5.5.37 | |
| PHP | >=5.6.0<5.6.24 | |
| PHP | >=7.0.0<7.0.9 |
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Reference Links
- http://packetstormsecurity.com/files/137998/PHP-7.0.8-5.6.23-5.5.37-bzread-OOB-Write.html
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- http://rhn.redhat.com/errata/RHSA-2016-2598.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://seclists.org/fulldisclosure/2016/Jul/72
- http://www.debian.org/security/2016/dsa-3631
- http://www.openwall.com/lists/oss-security/2016/07/21/1
- http://www.securityfocus.com/archive/1/538966/100/0/threaded
- http://www.securityfocus.com/bid/92051
- http://www.securitytracker.com/id/1036430
- https://bugs.php.net/bug.php?id=72613
- https://bugzilla.redhat.com/show_bug.cgi?id=1358395
- https://security.netapp.com/advisory/ntap-20180112-0001/
- https://www.exploit-db.com/exploits/40155/
- https://www.php.net/ChangeLog-7.php#7.0.9 (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1358401
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1358404
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1358402
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1358403
- http://seclists.org/bugtraq/2016/Jul/96
- http://www.bzip.org/1.0.5/bzip2-manual-1.0.5.html#bzread
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2
- http://git.php.net/?p=php-src.git;a=commit;h=f3feddb5b45b5abd93abb1a95044b7e099d51c84
- https://secure.php.net/manual/en/function.bzread.php
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1358395#c2
- https://github.com/php/php-src/blob/master/ext/zlib/zlib_fopen_wrapper.c#L47
- https://github.com/php/php-src/blob/master/main/streams/streams.c#L580
- https://github.com/php/php-src/blob/master/main/streams/streams.c#L716
- https://rhn.redhat.com/errata/RHSA-2016-2598.html
- https://rhn.redhat.com/errata/RHSA-2016-2750.html
Frequently Asked Questions
What is the severity of CVE-2016-5399?
CVE-2016-5399 is considered a high severity vulnerability due to its potential for remote code execution and denial of service.
How do I fix CVE-2016-5399?
To fix CVE-2016-5399, upgrade PHP to version 5.5.38, 5.6.24, or 7.0.9 or later.
What versions of PHP are affected by CVE-2016-5399?
CVE-2016-5399 affects PHP versions prior to 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9.
What kind of attacks can be executed due to CVE-2016-5399?
CVE-2016-5399 allows attackers to exploit an out-of-bounds write vulnerability that can lead to denial of service or arbitrary code execution.
Is there any workaround for CVE-2016-5399?
There are no effective workarounds for CVE-2016-5399; upgrading to the fixed version is the recommended action.
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- version/php/7.0.0