- Vulnerability/
- USN-4895-1
USN-4895-1: Squid vulnerabilities
First published: Mon Mar 29 2021(Updated: )
Alex Rousskov and Amit Klein discovered that Squid incorrectly handled certain Content-Length headers. A remote attacker could possibly use this issue to perform an HTTP request smuggling attack, resulting in cache poisoning. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-15049) Jianjun Chen discovered that Squid incorrectly validated certain input. A remote attacker could use this issue to perform HTTP Request Smuggling and possibly access services forbidden by the security controls. (CVE-2020-25097)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/squid | <4.13-1ubuntu2.1 | 4.13-1ubuntu2.1 |
| =20.10 | ||
| All of | ||
| ubuntu/squid | <4.10-1ubuntu1.3 | 4.10-1ubuntu1.3 |
| =20.04 | ||
| All of | ||
| ubuntu/squid | <3.5.27-1ubuntu1.10 | 3.5.27-1ubuntu1.10 |
| =18.04 | ||
| All of | ||
| ubuntu/squid | <3.5.12-1ubuntu7.16 | 3.5.12-1ubuntu7.16 |
| =16.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2020-25097
- https://ubuntu.com/security/CVE-2020-15049
- https://ubuntu.com/security/notices/USN-4551-1
- https://launchpad.net/ubuntu/+source/squid/4.13-1ubuntu2.1
- https://launchpad.net/ubuntu/+source/squid/4.10-1ubuntu1.3
- https://launchpad.net/ubuntu/+source/squid3/3.5.27-1ubuntu1.10
- https://launchpad.net/ubuntu/+source/squid3/3.5.12-1ubuntu7.16
- https://ubuntu.com/security/notices/USN-4895-1 (Advisory)
Frequently Asked Questions
What is the vulnerability ID of this Squid vulnerability?
The vulnerability ID of this Squid vulnerability is CVE-2020-15049.
What is the impact of CVE-2020-15049?
CVE-2020-15049 could allow a remote attacker to perform an HTTP request smuggling attack, resulting in cache poisoning.
Which versions of Ubuntu are affected by this vulnerability?
This vulnerability affects Ubuntu 20.04 LTS, 20.10, 18.04, and 16.04.
How can I fix the Squid vulnerability CVE-2020-15049?
To fix the Squid vulnerability CVE-2020-15049, you should update to Squid version 4.13-1ubuntu2.1 for Ubuntu 20.04 LTS.
Where can I find more information about this vulnerability?
You can find more information about this vulnerability in the Ubuntu security notice USN-4895-1.
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