CVE-2017-5630 Information

Description

PECL in the download utility class in the Installer in PEAR Base System v1.10.1 does not validate file types and filenames after a redirect which allows remote HTTP servers to overwrite files via crafted responses as demonstrated by a .htaccess overwrite.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

http://pear.php.net/bugs/bug.php?id=21171 http://www.securityfocus.com/bid/95882 https://www.exploit-db.com/exploits/41185/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5