CVE-2016-5725: Path Traversal
First published: Wed Sep 14 2016(Updated: )
JSch could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request to the implementation for recursive sftp-get containing "dot dot" sequences (/../) to download the malicious files outside the client download base directory.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| JCraft JSch | <=0.1.53 | |
| Microsoft Windows |
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Reference Links
- https://exchange.xforce.ibmcloud.com/vulnerabilities/117122
- https://www.ibm.com/support/pages/node/1073530 (Advisory)
- 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://lists.debian.org/debian-lts-announce/2020/04/msg00017.html
- https://www.exploit-db.com/exploits/40411/
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://sourceforge.net/p/jsch/mailman/message/35318093/
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1366981&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1366981&action=edit
- https://bugzilla.redhat.com/show_bug.cgi?id=1375941
Frequently Asked Questions
What is the severity of CVE-2016-5725?
CVE-2016-5725 is considered a medium severity vulnerability as it allows directory traversal leading to unauthorized file access.
How do I fix CVE-2016-5725?
To fix CVE-2016-5725, update JSch to a version later than 0.1.53 where the vulnerability has been addressed.
What types of attacks can CVE-2016-5725 be used for?
CVE-2016-5725 can be exploited by attackers to download sensitive files from outside the intended directory using crafted SFTP requests.
Which versions of JSch are affected by CVE-2016-5725?
All versions of JSch up to and including 0.1.53 are affected by CVE-2016-5725.
Is CVE-2016-5725 specific to any operating system?
No, CVE-2016-5725 affects the JCraft JSch library and is not limited to any specific operating system.
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