Vulnerability CVE-2017-5630
Published: 2017-02-01   Modified: 2017-02-02

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
High
PEAR Base System v1.10.1 Arbitrary File Download
hyp3rlinx
30.01.2017

Type:

CWE-74

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
PEAR -> PEAR 

 References:
http://pear.php.net/bugs/bug.php?id=21171
http://www.securityfocus.com/bid/95882
https://www.exploit-db.com/exploits/41185/
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