Home/CVE/Directory traversal vulnerability in JCraft JSch before 0.1.54 on Windows, when the mode is ChannelSftp.OVERWRITE, allow
CVE

CVE-2016-5725

Directory traversal vulnerability in JCraft JSch before 0.1.54 on Windows, when the mode is ChannelSftp.OVERWRITE, allow

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.

MEDIUM · CVSS 5.9 EPSS 0.26672
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules7 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
▤

Affected Products & Versions

1
jcraft jsch<= 0.1.53
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven com.jcraft:jsch MODERATE fixed in 0.1.54
⚠

Public Exploits & PoCs

3
dosJCraft/JSch Java Secure Channel 0.1.53 - Recursive sftp-get Directory Traversalverified
pocpacketstormsecurity.com · jsch-0.1.53-Path-Traversal.htmlpacketstormsecurity.com
pocwww.exploit-db.com · 40411www.exploit-db.com
◈

Sigma Hunt Rules

7
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Jan 2017 · 10:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

2
suse-csafSUSE-SU-2017:0715-1
rhsaRHSA-2017:3115Moderate
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2016/Sep/53Mailing ListThird Party Advisory
http://www.jcraft.com/jsch/ChangeLogRelease Notes
http://www.securityfocus.com/bid/93100Third Party AdvisoryVDB Entry
https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-5725Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/04/msg00017.html
https://www.oracle.com/security-alerts/cpuApr2021.html
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