ALSA-2021:1979 - Important: squid:4 security update
Summary
ALSA-2021:1979: Important: squid:4 security update. Affects libecap versions < 1.0.1-2.module_el8.6.0+2741+01592ae8. Fixed in 1.0.1-2.module_el8.6.0+2741+01592ae8. How to fix ↓
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Background
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. It is widely used to improve web server performance by caching frequently accessed content. Squid is a critical component in many web infrastructure setups.
Vulnerability Detail
The vulnerability identified as CVE-2020-25097 affects Squid versions 4.x. It is caused by improper input validation, which may allow a trusted client to perform HTTP request smuggling. This vulnerability could be exploited by an attacker to bypass security controls, inject malicious content, or conduct other attacks. The impact of this vulnerability can vary depending on the specific implementation and configuration of Squid.
How To Fix
Minimum fixed version
1.0.1-2.module_el8.6.0+2741+01592ae8
This is the first release that contains the fix.
sudo dnf update libecapTip — 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 patch as soon as possible to mitigate the risk.
Conclusion
The vulnerability in Squid (CVE-2020-25097) can allow a trusted client to perform HTTP request smuggling. To mitigate this risk, it is recommended to update Squid to version 4.x with the security patch. Regularly updating and patching Squid is crucial to ensure the system is protected against known vulnerabilities. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for libecap →
FAQ
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. It is widely used to improve web server performance by caching frequently accessed content.
HTTP request smuggling is a technique where an attacker manipulates the interaction between HTTP proxies and servers to bypass security controls or inject malicious content. In the case of this vulnerability, a trusted client can exploit improper input validation in Squid to perform HTTP request smuggling.
The impact of this vulnerability can vary depending on the specific implementation and configuration of Squid. However, it could allow an attacker to bypass security controls, inject malicious content, or conduct other attacks.
To fix this vulnerability, update Squid to version 4.x with the security patch. Regularly updating Squid and applying security patches is crucial to ensure protection against known vulnerabilities.
There is no known workaround for this vulnerability. It is essential to apply the security patch as soon as possible to mitigate the risk.
References
Related vulnerabilities
Recent vulnerabilities recorded for libecap.
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