Vulnerability in squid3 - Security Update
Summary
DLA-763-1: squid3 - security update. Affects squid3 versions < 3.1.20-2.2+deb7u7. Fixed in 3.1.20-2.2+deb7u7. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Squid3 is a fully featured web proxy cache that is widely used for improving web server performance by caching frequently accessed content. It acts as an intermediary between clients and servers, storing copies of requested web pages and serving them to clients upon subsequent requests. This caching mechanism helps reduce bandwidth usage and improves response times. However, a vulnerability has been discovered in Squid3 that affects its handling of If-None-Modified HTTP conditional requests.
Vulnerability Detail
The vulnerability in Squid3 allows a remote attacker to exploit the improper processing of responses to If-None-Modified HTTP conditional requests. This flaw leads to the leakage of client-specific Cookie data to other clients. By taking advantage of this vulnerability, an attacker can gain access to private and sensitive information about another client's browsing session. This could include session tokens, authentication credentials, and other confidential data. The impact of this vulnerability is significant as it compromises the privacy and security of user sessions.
How To Fix
Minimum fixed version
3.1.20-2.2+deb7u7
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 →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the security update as soon as possible to mitigate the risk of exploitation.
Conclusion
The vulnerability in Squid3's handling of If-None-Modified HTTP conditional requests poses a significant risk to the privacy and security of user sessions. It is crucial to upgrade the Squid3 package to the latest version to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for squid3 →
FAQ
Squid3 is a fully featured web proxy cache that improves web server performance by caching frequently accessed content.
The vulnerability allows an attacker to access private and sensitive information about another client's browsing session, compromising their privacy and security.
To fix this vulnerability, upgrade the Squid3 package to version 3.1.20-2.2+deb7u7 or later.
No, there is no known workaround for this vulnerability. Applying the security update is the recommended solution.
You can find more information about Squid3 security advisories on the Debian LTS website.
Related vulnerabilities
Recent vulnerabilities recorded for squid3.
