In PHP before 5.6.39, 7.x before 7.0.33, 7.1.x before 7.1.25,...

Vulnerability Description

In PHP before 5.6.39, 7.x before 7.0.33, 7.1.x before 7.1.25, and 7.2.x before 7.2.13, a buffer over-read in PHAR reading functions may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse a .phar file. This is related to phar_parse_pharfile in ext/phar/phar.c.

References

• http://php.net/ChangeLog-5.php
• http://php.net/ChangeLog-7.php
• https://bugs.php.net/bug.php?id=77143
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html
• https://usn.ubuntu.com/3566-2/
• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
• https://access.redhat.com/errata/RHSA-2019:2519
• https://access.redhat.com/errata/RHSA-2019:3299