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CVE-2017-5630

HighPublished

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...

Published: Feb 1, 2017
Updated: Aug 5, 2024
Assigning CNA: mitre
Evidence observed: Jan 30, 2017

Primary CVSS

7.5/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

12.5%

Moderate · next 30 days

Percentile: 96.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

PHP PEAR 1.10.1 - Arbitrary File DownloadExploit
hyp3rlinx · php · Jan 30, 2017

Responsible use

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