CVE-2019-13224

CVE Details

Release Date:	2019-06-27
Impact:	Moderate	What is this?

Description

A use-after-free in onig_new_deluxe() in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause information disclosure, denial of service, or possibly code execution by providing a crafted regular expression. The attacker provides a pair of a regex pattern and a string, with a multi-byte encoding that gets handled by onig_new_deluxe(). Oniguruma issues often affect Ruby, as well as common optional libraries for PHP and Rust.

See more information about CVE-2019-13224 from MITRE CVE dictionary and NIST NVD

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

CVSS v3 metrics

Base Score:	6.8
Vector String:	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	Low
Integrity Impact:	Low
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (edk2)	ELSA-2020-5861	2020-09-29
Oracle Linux version 8 (libzip)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (oniguruma)	ELSA-2024-0889	2024-02-20
Oracle Linux version 8 (php)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (php-pear)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (php-pecl-apcu)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (php-pecl-rrd)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (php-pecl-xdebug)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (php-pecl-zip)	ELSA-2020-3662	2020-09-09