Vulnerability CVE-2016-5725
Published: 2017-01-19   Modified: 2017-01-20

Description:
Directory traversal vulnerability in JCraft JSch before 0.1.54 on Windows, when the mode is ChannelSftp.OVERWRITE, allows remote SFTP servers to write to arbitrary files via a ..\ (dot dot backslash) in a response to a recursive GET command.

Type:

CWE-22

 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Jcraft -> JSCH 

 References:
http://packetstormsecurity.com/files/138809/jsch-0.1.53-Path-Traversal.html
http://seclists.org/fulldisclosure/2016/Sep/53
http://www.jcraft.com/jsch/ChangeLog
http://www.securityfocus.com/bid/93100
https://access.redhat.com/errata/RHSA-2017:3115
https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-5725
https://www.exploit-db.com/exploits/40411/
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