Buffer Over-read Vulnerability in yodl
Summary
DLA-976-1: yodl - security update. Affects yodl versions < 3.00.0-6+deb7u1. Fixed in 3.00.0-6+deb7u1. How to fix ↓
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Background
yodl (Your Own Document Language) is a document processor used for converting documents written in yodl format into various output formats such as HTML, LaTeX, and man pages. It provides a set of macros and commands for formatting and structuring documents. However, a buffer over-read vulnerability has been discovered in yodl, which could potentially lead to security issues.
Vulnerability Detail
The buffer over-read vulnerability in yodl allows an attacker to read data from memory beyond the boundaries of an allocated buffer. This can result in the exposure of sensitive information or the execution of arbitrary code. The vulnerability originates from improper input validation and can be exploited by providing specially crafted input to the yodl document processor. It affects yodl version 3.00.0 and earlier.
How To Fix
Minimum fixed version
3.00.0-6+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade yodlTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
In conclusion, a buffer over-read vulnerability has been discovered in yodl, a document processor used for converting documents written in yodl format. This vulnerability can be exploited to read data from memory beyond the allocated buffer, potentially leading to the exposure of sensitive information or the execution of arbitrary code. It is recommended to upgrade to yodl version 3.00.0-6+deb7u1 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
yodl is a document processor used for converting documents written in yodl format into various output formats such as HTML, LaTeX, and man pages. It provides a set of macros and commands for formatting and structuring documents.
A buffer over-read vulnerability occurs when a program reads data from a buffer beyond its allocated boundaries. This can lead to the exposure of sensitive information or the execution of arbitrary code.
The buffer over-read vulnerability in yodl can be exploited by providing specially crafted input to the yodl document processor. This input triggers improper input validation, allowing an attacker to read data from memory beyond the allocated buffer.
The buffer over-read vulnerability in yodl can potentially lead to the exposure of sensitive information or the execution of arbitrary code. An attacker could exploit this vulnerability to gain unauthorized access or perform other malicious activities.
You can use the Vulert Playground at Vulert Scanner to check if your yodl installation is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for any open-source vulnerabilities, including the buffer over-read vulnerability in yodl.
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