Buffer Overflow in e2fsprogs - Security Update
Summary
DSA-3166-1: e2fsprogs - security update. Affects e2fsprogs versions < 1.42.5-1.1+deb7u1. Fixed in 1.42.5-1.1+deb7u1. How to fix ↓
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Background
e2fsprogs is a set of utilities for the ext2, ext3, and ext4 file systems. It provides various tools for managing and maintaining these file systems. The package is widely used in Debian 7 (wheezy) and other distributions. However, a buffer overflow vulnerability has been discovered in e2fsprogs, which can potentially lead to arbitrary code execution if a malicious device is plugged in and automatically mounted, triggering the fsck process on the device's malicious filesystem.
Vulnerability Detail
The vulnerability, identified as CVE-2015-0247, is a buffer overflow in the ext2/ext3/ext4 file system open/close routines. This flaw allows an attacker to overflow a buffer and potentially execute arbitrary code. An incomplete fix for this vulnerability was initially released as CVE-2015-1572, but it was later discovered that the fix was not sufficient.
How To Fix
Minimum fixed version
1.42.5-1.1+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade e2fsprogsTip — 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 crucial to apply the security update as soon as possible to mitigate the risk of exploitation.
Conclusion
The buffer overflow vulnerability in e2fsprogs can lead to arbitrary code execution if a malicious device is plugged in and automatically mounted. It is crucial to upgrade the e2fsprogs package to the fixed version to mitigate the risk. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for e2fsprogs →
FAQ
e2fsprogs is a set of utilities for managing ext2, ext3, and ext4 file systems.
The vulnerability can potentially allow an attacker to execute arbitrary code if a malicious device is plugged in and automatically mounted.
To fix this vulnerability, upgrade the e2fsprogs package to version 1.42.5-1.1+deb7u1 or later.
No, there is no known workaround. Applying the security update is the recommended solution.
You can find more information about this vulnerability in the Debian Security Advisory DSA-3166-1.
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