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
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2017-5630)
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.