CVE-2017-11362 Information

Description

In PHP 7.x before 7.0.21 and 7.1.x before 7.1.7 ext/intl/msgformat/msgformat_parse.c does not restrict the locale length which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) or possibly have unspecified other impact within International Components for Unicode (ICU) for C/C++ via a long first argument to the msgfmt_parse_message function.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://access.redhat.com/errata/RHSA-2018:1296 https://bugs.php.net/bug.php?id=73473 https://security.gentoo.org/glsa/201709-21 https://security.netapp.com/advisory/ntap-20180112-0001/ https://usn.ubuntu.com/3566-2/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8