PHP 5.6.5 use after free in phar_object.c

2015.03.10

Credit: internot

Risk: Medium

Local: Yes

Remote: No

CVE: N/A

CWE: N/A

Description:
------------
Hi,
In /ext/phar/phar_object.c:
2131 newpath = oldpath;
but then:
2142 efree(oldpath);
2143 zend_throw_exception_ex(spl_ce_BadMethodCallException, 0 TSRMLS_CC, "phar \"%s\" exists and must be unlinked prior to conversion", newpath);

References:

http://seclists.org/oss-sec/2015/q1/789

https://bugs.php.net/bug.php?id=68901

See this note in RAW Version

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PHP 5.6.5 use after free in phar_object.c

References:

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