DSA-3450-1: ecryptfs-utils - Privilege Escalation
Summary
DSA-3450-1: ecryptfs-utils - security update. Affects ecryptfs-utils versions < 99-1+deb7u1. Fixed in 99-1+deb7u1. How to fix ↓
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Background
ecryptfs-utils is a package in the Debian ecosystem that provides cryptographic filesystem utilities for Linux. It includes tools for managing encrypted private directories, mounting and unmounting encrypted filesystems, and managing keyrings. The package is widely used for securing sensitive data on Linux systems.
Vulnerability Detail
The setuid-root mount.ecryptfs_private helper in the ecryptfs-utils package has a security flaw that allows a local attacker to escalate their privileges. The vulnerability arises from the fact that the helper would mount over any target directory owned by the user, including directories in procfs. By exploiting this flaw, an attacker can gain elevated privileges on the system.
How To Fix
Minimum fixed version
99-1+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade ecryptfs-utilsTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. The recommended solution is to upgrade the ecryptfs-utils package to the fixed version.
Conclusion
The ecryptfs-utils package in the Debian ecosystem has a privilege escalation vulnerability that allows a local attacker to gain elevated privileges on the system. To mitigate this vulnerability, it is crucial to upgrade the ecryptfs-utils package to the patched version. For further assistance or support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for ecryptfs-utils →
FAQ
ecryptfs-utils is a package in the Debian ecosystem that provides cryptographic filesystem utilities for Linux. It is used for managing encrypted private directories and securing sensitive data on Linux systems.
The vulnerability allows a local attacker to escalate their privileges on the system. This means they can gain elevated access and potentially perform unauthorized actions or access sensitive data.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for any open-source vulnerabilities, including this one.
There are no known public exploits for this vulnerability at the time of this report. However, it is important to apply the recommended fix to prevent any potential exploitation.
You can find more information about this vulnerability in the Debian Security Advisory DSA-3450-1. The advisory provides detailed information about the vulnerability and the fixed versions of the ecryptfs-utils package.
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