Buffer Overflow in Squid3 Cache Manager
Summary
DLA-556-1: squid3 - security update. Affects squid3 versions < 3.1.20-2.2+deb7u6. Fixed in 3.1.20-2.2+deb7u6. How to fix ↓
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Background
Squid3 is a widely used caching proxy server that provides support for HTTP, HTTPS, FTP, and other protocols. It is designed to improve web performance by caching frequently accessed content. However, a vulnerability has been discovered in the cache manager component of Squid3, which could allow an attacker to execute arbitrary code or cause a denial of service.
Vulnerability Detail
The vulnerability, identified as CVE-2016-4051, is a buffer overflow issue in the Squid3 cache manager. It was initially addressed in the Debian package version 3.1.20-2.2+deb7u6, but the fix was found to be incomplete. This vulnerability could be exploited by an attacker to overwrite adjacent memory locations and potentially execute malicious code. Successful exploitation of this vulnerability could lead to unauthorized access, data leakage, or system compromise.
How To Fix
Minimum fixed version
3.1.20-2.2+deb7u6
This is the first release that contains the fix.
sudo apt-get install --only-upgrade squid3Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
In conclusion, the Squid3 package in Debian 7 Wheezy is vulnerable to a buffer overflow issue in the cache manager. To mitigate this vulnerability, it is crucial to upgrade the package to version 3.1.20-2.2+deb7u6 or later. For further assistance or support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for squid3 →
FAQ
Squid3 is a caching proxy server that improves web performance by caching frequently accessed content.
The vulnerability could allow an attacker to execute arbitrary code or cause a denial of service.
You can fix this vulnerability by upgrading the Squid3 package to version 3.1.20-2.2+deb7u6 or later.
No, there is no known workaround for this vulnerability. It is recommended to apply the package update.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, at https://wiki.debian.org/LTS.
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