In PHP before 5.6.30 and 7.x before 7.0.15, the PHAR archive handler could be used by attackers supplying malicious archive files to crash the PHP interpreter or potentially disclose information due to a buffer over-read in the phar_parse_pharfile function in ext/phar/phar.c.
http://git.php.net/?p=php-src.git;a=commit;h=e5246580a85f031e1a3b8064edbaa55c1643a451
http://openwall.com/lists/oss-security/2017/07/10/6
http://php.net/ChangeLog-5.php
http://php.net/ChangeLog-7.php
http://www.securityfocus.com/bid/99607
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=73773
Source: MITRE
Published: 2017-07-10
Updated: 2019-10-03
Type: CWE-125
Base Score: 6.4
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P
Impact Score: 4.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Impact Score: 5.2
Exploitability Score: 3.9
Severity: CRITICAL