cve/2018/CVE-2018-20783.md

CVE-2018-20783

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.

POC

Reference

• https://hackerone.com/reports/477344
• https://hackerone.com/reports/477344

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/CyCognito/manual-detection
• https://github.com/syadg123/pigat
• https://github.com/teamssix/pigat