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

MEDIUM 5.9CVE-2016-5725 · GHSA-q446-82vq-w674 · Published 19/01/2017 · updated 17/06/2026

Package	Affected versions	Patched versions
com.jcraft:jsch Maven	`< 0.1.54`	`0.1.54`
jsch jcraft	`≤ 0.1.53`	No fix yet

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.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2016-5725 · ADVISORY
access.redhat.com/errata/RHSA-2017:3115 · WEB
tintinweb/pub · WEB
lists.debian.org/debian-lts-announce/2020/04/msg00017.html · WEB
exploit-db.com/exploits/40411 · WEB
oracle.com/security-alerts/cpuApr2021.html · WEB
oracle.com/security-alerts/cpujan2021.html · WEB
oracle.com/security-alerts/cpuoct2020.html · WEB
packetstormsecurity.com/files/138809/jsch-0.1.53-Path-Traversal.html · WEB
seclists.org/fulldisclosure/2016/Sep/53 · WEB
jcraft.com/jsch/ChangeLog · WEB
securityfocus.com/bid/93100 · Third Party Advisory
exploit-db.com/exploits/40411 · Third Party Advisory

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