CVE-2018-7584 Information

Description

In PHP through 5.6.33 7.0.x before 7.0.28 7.1.x through 7.1.14 and 7.2.x through 7.2.2 there is a stack-based buffer under-read while parsing an HTTP response in the php_stream_url_wrap_http_ex function in ext/standard/http_fopen_wrapper.c. This subsequently results in copying a large string.

CVSS Vector

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

Reference

http://php.net/ChangeLog-7.php http://www.securityfocus.com/bid/103204 http://www.securitytracker.com/id/1041607 https://access.redhat.com/errata/RHSA-2019:2519 https://bugs.php.net/bug.php?id=75981 https://github.com/php/php-src/commit/523f230c831d7b33353203fa34aee4e92ac12bba https://lists.debian.org/debian-lts-announce/2018/03/msg00030.html https://lists.debian.org/debian-lts-announce/2018/06/msg00005.html https://usn.ubuntu.com/3600-1/ https://usn.ubuntu.com/3600-2/ https://www.debian.org/security/2018/dsa-4240 https://www.exploit-db.com/exploits/44846/ https://www.tenable.com/security/tns-2018-03 https://www.tenable.com/security/tns-2018-12 In PHP through 5.6.33 7.0.x before 7.0.28 7.1.x through 7.1.14 and 7.2.x through 7.2.2 there is a stack-based buffer under-read while parsing an HTTP response in the php_stream_url_wrap_http_ex function in ext/standard/http_fopen_wrapper.c. This subsequently results in copying a large string.

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