CVE-2018-20783

HIGH

Php < 5.6.39 - Out-of-Bounds Read

Title source: rule
STIX 2.1

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 (10)

Core 10
Core References
Vendor Advisory x_refsource_misc
http://php.net/ChangeLog-5.php
Vendor Advisory x_refsource_misc
http://php.net/ChangeLog-7.php
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=77143
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3566-2/
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2519
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3299

Scores

CVSS v3 7.5
EPSS 0.0510
EPSS Percentile 89.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-125
Status published
Products (2)
opensuse/leap 42.3
php/php < 5.6.39
Published Feb 21, 2019
Tracked Since Feb 18, 2026