Heap Overread Vulnerability in libxslt
Summary
DLA-700-1: libxslt - security update. Affects libxslt versions < 1.1.26-14.1+deb7u2. Fixed in 1.1.26-14.1+deb7u2. How to fix ↓
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Background
libxslt is a library for parsing and manipulating XML documents using XSLT (Extensible Stylesheet Language Transformations). It provides a set of functions and APIs for developers to process XML data. The library is widely used in various applications and frameworks that require XML parsing and transformation capabilities. However, a heap overread vulnerability has been discovered in libxslt, which can lead to arbitrary code execution or denial of service.
Vulnerability Detail
The heap overread vulnerability in libxslt allows an attacker to read beyond the bounds of allocated memory on the heap. This can result in the exposure of sensitive information or the execution of arbitrary code. The vulnerability can be triggered by processing specially crafted XML documents. An attacker can exploit this vulnerability by enticing a user or application to parse a malicious XML file using libxslt. Successful exploitation of this vulnerability can lead to a compromise of the affected system or a denial of service condition.
How To Fix
Minimum fixed version
1.1.26-14.1+deb7u2
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libxsltTip — 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 security update provided by the libxslt package maintainers to mitigate the risk of exploitation.
Conclusion
The heap overread vulnerability in libxslt can lead to arbitrary code execution or denial of service. It is recommended to upgrade the libxslt package to the latest version to fix this vulnerability. Failure to apply the necessary security update may expose systems to potential attacks. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for libxslt →
FAQ
libxslt is a library for parsing and manipulating XML documents using XSLT (Extensible Stylesheet Language Transformations). It provides developers with functions and APIs to process XML data.
A heap overread vulnerability occurs when a program reads data from the heap beyond the bounds of allocated memory. This can lead to the exposure of sensitive information or the execution of arbitrary code.
An attacker can exploit this vulnerability by enticing a user or application to parse a specially crafted XML file using libxslt. This can be done through various attack vectors, such as email attachments or malicious websites.
Successful exploitation of this vulnerability can result in arbitrary code execution or denial of service. An attacker may be able to take control of the affected system, access sensitive information, or disrupt the normal operation of the system.
There is no known workaround for this vulnerability. It is crucial to apply the security update provided by the libxslt package maintainers to mitigate the risk of exploitation.
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