SB2017020210 - Improper Neutralization of Special Elements in Output Used by a Downstream Component in PEAR

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Main Vulnerability Database SB2017020210

SB2017020210 - Improper Neutralization of Special Elements in Output Used by a Downstream Component in PEAR

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

Security Bulletin ID SB2017020210
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2017-5630)

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVSSv4: 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


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.

References