Buffer Over-read Vulnerability in PHAR Reading Functions

CVE-2018-20783 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:N

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.

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