Security Bulletin
Summary
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.
Vulnerability Details
CVEID: CVE-2016-5725
DESCRIPTION: 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.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/117122 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| UCD - IBM UrbanCode Deploy | 6.2.7.4 |
| UCD - IBM UrbanCode Deploy | 6.2.7.3 |
| UCD - IBM UrbanCode Deploy | 7.0.4.0 |
| UCD - IBM UrbanCode Deploy | 7.0.3.0 |
| UCD - IBM UrbanCode Deploy | All |
Remediation/Fixes
Update to z/OS Utility plugin version 54
Workarounds and Mitigations
None
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References
Change History
29 Mar 2021: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
29 March 2021
Initial Publish date:
29 March 2021
UID
ibm16437559