#VU39753 Improper Neutralization of Special Elements in Output Used by a Downstream Component in PEAR - CVE-2017-5630

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Main Vulnerability Database Vulnerabilities #VU39753

#VU39753 Improper Neutralization of Special Elements in Output Used by a Downstream Component in PEAR - CVE-2017-5630

Published: February 2, 2017 / Updated: August 9, 2020


Vulnerability identifier: #VU39753
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2017-5630
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
PEAR
Software vendor:
PHP Group

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

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.


Remediation

Install update from vendor's website.

External links