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Date: Wed, 24 Feb 2016 14:31:56 -0500 (EST)
From: cve-assign@...re.org
To: hji@...topia.com
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: php: stack overflow when decompressing tar archives

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Hash: SHA256

> issue which may be of
> interest to anybody shipping PHP older than 5.5.32, 5.6.18 or 7.0.3
> without FORTIFY:
> 
> https://bugs.php.net/bug.php?id=71488

(Just for simplicity, the following comments only mention PHP 7.x -
there may be analogous statements about PHP 5.x. This does not mean
that a PHP 5.x issue from 71488 has a different CVE ID.)

Use CVE-2016-2554 for the issue that was fixed in the 7.0.3 release.
We understand that this was in the:

  http://git.php.net/?p=php-src.git;a=commit;h=07c7df68bd68bbe706371fccc77c814ebb335d9e

commit. This commit has most of the changes that were made in
ext/phar/tar.c between the 7.0.2 release and the 7.0.3 release. There
was also a change from "if (entry.filename_len == UINT_MAX)" to "if
(entry.filename_len == UINT_MAX || entry.filename_len == 0)" that may
be unrelated.

The "2016-02-01 15:01 UTC" comment in 71488 seems to discuss an
additional concern. If there is a remaining vulnerability that was not
fixed in 7.0.3, that vulnerability is not covered by the CVE-2016-2554
ID.

- -- 
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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