CVE-2018-20783

CVE Details

Release Date:

2019-02-21

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.

See more information about CVE-2018-20783 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	7.5	Base Metrics:	AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	None	Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (libzip)	ELSA-2020-1624	2020-05-05
Oracle Linux version 8 (php)	ELSA-2020-1624	2020-05-05
Oracle Linux version 8 (php-pear)	ELSA-2020-1624	2020-05-05
Oracle Linux version 8 (php-pecl-apcu)	ELSA-2020-1624	2020-05-05
Oracle Linux version 8 (php-pecl-zip)	ELSA-2020-1624	2020-05-05

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team