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Improper Limitation of a Pathname to a Restricted Directory in JCraft JSch

Moderate severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

maven com.jcraft:jsch (Maven)

Affected versions

<= 0.1.53

Patched versions

0.1.54

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.

References

Published by the National Vulnerability Database Jan 19, 2017
Published to the GitHub Advisory Database May 13, 2022
Reviewed Jul 6, 2022
Last updated Jan 27, 2023

Severity

Moderate
5.9
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses

CVE ID

CVE-2016-5725

GHSA ID

GHSA-q446-82vq-w674

Source code

No known source code
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