Path Traversal Vulnerability in jsch
Summary
DLA-611-1: jsch - security update. Affects jsch versions < 0.1.42-2+deb7u1. Fixed in 0.1.42-2+deb7u1. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
jsch is a pure Java implementation of the SSH2 protocol, providing a secure way to establish a communication channel between two computers. It is commonly used for secure file transfers and remote command execution. However, a vulnerability has been discovered in jsch that allows an attacker to perform path traversal attacks.
Vulnerability Detail
The path traversal vulnerability in jsch allows an attacker to access files and directories outside of the intended directory. By manipulating the file path in a specific way, an attacker can bypass security measures and gain unauthorized access to sensitive files. This can lead to information disclosure, remote code execution, and other malicious activities.
How To Fix
Minimum fixed version
0.1.42-2+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade jschTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the recommended fix by upgrading the jsch package to the patched version.
Conclusion
The path traversal vulnerability in jsch can have severe consequences, including unauthorized access to sensitive files and remote code execution. It is crucial to upgrade the jsch package to the patched version (0.1.42-2+deb7u1 or later) to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for jsch →
FAQ
jsch is a pure Java implementation of the SSH2 protocol, providing secure communication channels between two computers.
A path traversal vulnerability allows an attacker to access files and directories outside of the intended directory by manipulating the file path.
The path traversal vulnerability in jsch can lead to unauthorized access to sensitive files, information disclosure, and remote code execution.
To fix this vulnerability, upgrade the jsch package to version 0.1.42-2+deb7u1 or later.
There is no known workaround for this vulnerability. It is crucial to apply the recommended fix by upgrading the jsch package.
Related vulnerabilities
Recent vulnerabilities recorded for jsch.
