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CVE-2017-5630

Date: February 1, 2017

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.

Language: PHP

Severity Score

Related Resources (11)

https://vimeo.com/201341280
https://www.exploit-db.com/exploits/41185/
http://hyp3rlinx.altervista.org/advisories/PEAR-ARBITRARY-FILE-DOWNLOAD.txt
https://access.redhat.com/security/cve/CVE-2017-5630
https://www.exploit-db.com/exploits/41185
http://pear.php.net/bugs/bug.php?id=21171
https://nvd.nist.gov/vuln/detail/CVE-2017-5630
https://github.com/pear/pear-core
https://web.archive.org/web/20210123222048/https://www.securityfocus.com/bid/95882
http://www.securityfocus.com/bid/95882
https://www.mend.io/vulnerability-database/CVE-2017-5630

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-74

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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