Privilege Escalation in libtool
Summary
DSA-1958-1: libtool - privilege escalation. Affects libtool versions < 1.5.22-4+etch1. Fixed in 1.5.22-4+etch1. How to fix ↓
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Background
libtool is a system-independent dlopen wrapper for GNU libtool. It provides a consistent interface for dynamically loading shared libraries in a portable manner. The library is commonly used by various applications to load modules at runtime. However, a vulnerability has been discovered in the library that allows an attacker to trick libtool into loading and executing modules from an arbitrary directory. This could lead to the execution of arbitrary code with the privileges of the user running the affected application.
Vulnerability Detail
The vulnerability in libtool arises from its ability to load and run modules from any directory. By exploiting this behavior, an attacker can place a malicious module in a specific directory and trick libtool into loading and executing it. This can result in the execution of arbitrary code with the privileges of the user running the application. The impact of this vulnerability depends on the privileges of the user and the nature of the application using libtool.
How To Fix
Minimum fixed version
1.5.22-4+etch1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libtoolTip — 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 recommended to apply the fix by upgrading the libtool package to the fixed versions.
Conclusion
In conclusion, libtool is vulnerable to a privilege escalation issue that allows an attacker to execute arbitrary code with the privileges of the user running the affected application. To mitigate this vulnerability, it is crucial to upgrade the libtool package to the fixed versions mentioned above. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for libtool →
FAQ
libtool is a system-independent dlopen wrapper for GNU libtool. It provides a consistent interface for dynamically loading shared libraries in a portable manner.
The vulnerability in libtool allows an attacker to trick the library into loading and executing modules from an arbitrary directory, potentially leading to the execution of arbitrary code with the privileges of the user running the affected application.
The impact of this vulnerability depends on the privileges of the user and the nature of the application using libtool. If exploited, it can result in the execution of arbitrary code with the privileges of the user running the application.
To fix this vulnerability, it is recommended to upgrade the libtool package to the fixed versions: 1.5.22-4+etch1 for the oldstable distribution (etch), 1.5.26-4+lenny1 for the stable distribution (lenny), and 2.2.6b-1 for the testing distribution (squeeze) and unstable distribution (sid).
There is no known workaround for this vulnerability. It is recommended to apply the fix by upgrading the libtool package to the fixed versions.
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