CVE-2019-9675

Updated on 11 Mar 2019

Severity

8.1 High severity

Details

CVSS score
8.1
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Overview

About vulnerability

An issue was discovered in PHP 7.x before 7.1.27 and 7.3.x before 7.3.3. phar_tar_writeheaders_int in ext/phar/tar.c has a buffer overflow via a long link value. NOTE: The vendor indicates that the link value is used only when an archive contains a symlink, which currently cannot happen: “This issue allows theoretical compromise of security, but a practical attack is usually impossible.

Details

Affected packages:
php @ 5.6 (+166 more)
An issue was discovered in PHP 7.x before 7.1.27 and 7.3.x before 7.3.3. phar_tar_writeheaders_int in ext/phar/tar.c has a buffer overflow via a long link value. NOTE: The vendor indicates that the link value is used only when an archive contains a symlink, which currently cannot happen: “This issue allows theoretical compromise of security, but a practical attack is usually impossible.

Fixes