- Vulnerability/
- USN-3557-1
USN-3557-1: Squid vulnerabilities
First published: Mon Feb 05 2018(Updated: )
Mathias Fischer discovered that Squid incorrectly handled certain long strings in headers. A malicious remote server could possibly cause Squid to crash, resulting in a denial of service. This issue was only addressed in Ubuntu 16.04 LTS. (CVE-2016-2569) William Lima discovered that Squid incorrectly handled XML parsing when processing Edge Side Includes (ESI). A malicious remote server could possibly cause Squid to crash, resulting in a denial of service. This issue was only addressed in Ubuntu 16.04 LTS. (CVE-2016-2570) Alex Rousskov discovered that Squid incorrectly handled response-parsing failures. A malicious remote server could possibly cause Squid to crash, resulting in a denial of service. This issue only applied to Ubuntu 16.04 LTS. (CVE-2016-2571) Santiago Ruano Rincón discovered that Squid incorrectly handled certain Vary headers. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This issue was only addressed in Ubuntu 16.04 LTS. (CVE-2016-3948) Louis Dion-Marcil discovered that Squid incorrectly handled certain Edge Side Includes (ESI) responses. A malicious remote server could possibly cause Squid to crash, resulting in a denial of service. (CVE-2018-1000024) Louis Dion-Marcil discovered that Squid incorrectly handled certain Edge Side Includes (ESI) responses. A malicious remote server could possibly cause Squid to crash, resulting in a denial of service. (CVE-2018-1000027)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/squid3 | <3.5.23-5ubuntu1.1 | 3.5.23-5ubuntu1.1 |
| =17.10 | ||
| All of | ||
| ubuntu/squid3 | <3.5.12-1ubuntu7.5 | 3.5.12-1ubuntu7.5 |
| =16.04 | ||
| All of | ||
| ubuntu/squid3 | <3.3.8-1ubuntu6.11 | 3.3.8-1ubuntu6.11 |
| =14.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2016-2569
- https://ubuntu.com/security/CVE-2016-2570
- https://ubuntu.com/security/CVE-2016-2571
- https://ubuntu.com/security/CVE-2016-3948
- https://ubuntu.com/security/CVE-2018-1000024
- https://ubuntu.com/security/CVE-2018-1000027
- https://ubuntu.com/security/notices/USN-2921-1
- https://ubuntu.com/security/notices/USN-4059-2
- https://launchpad.net/ubuntu/+source/squid3/3.5.23-5ubuntu1.1
- https://launchpad.net/ubuntu/+source/squid3/3.5.12-1ubuntu7.5
- https://launchpad.net/ubuntu/+source/squid3/3.3.8-1ubuntu6.11
- https://ubuntu.com/security/notices/USN-3557-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2016-2569?
The severity of CVE-2016-2569 is not specified.
How can a malicious remote server exploit CVE-2016-2569?
A malicious remote server can exploit CVE-2016-2569 by sending certain long strings in headers, causing Squid to crash and resulting in a denial of service.
Which version of Squid is affected by CVE-2016-2569?
Squid version 3.5.23-5ubuntu1.1 on Ubuntu 16.04 LTS is affected by CVE-2016-2569.
Is the vulnerability CVE-2016-2569 fixed in Ubuntu 17.10?
No, the vulnerability CVE-2016-2569 is only fixed in Ubuntu 16.04 LTS.
Where can I find more information about CVE-2016-2569?
You can find more information about CVE-2016-2569 on the Ubuntu Security website.
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