Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title Squid vulnerabilities
Informations
Name USN-4065-1 First vendor Publication 2019-07-18
Vendor Ubuntu Last vendor Modification 2019-07-18
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Squid.

Software Description: - squid: Web proxy cache server - squid3: Web proxy cache server

Details:

It was discovered that Squid incorrectly handled Digest authentication. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2019-12525)

It was discovered that Squid incorrectly handled Basic authentication. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 19.04. (CVE-2019-12527)

It was discovered that Squid incorrectly handled Basic authentication. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2019-12529)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04:
squid 4.4-1ubuntu2.2

Ubuntu 18.04 LTS:
squid3 3.5.27-1ubuntu1.3

Ubuntu 16.04 LTS:
squid3 3.5.12-1ubuntu7.8

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4065-1
CVE-2019-12525, CVE-2019-12527, CVE-2019-12529

Package Information:
https://launchpad.net/ubuntu/+source/squid/4.4-1ubuntu2.2
https://launchpad.net/ubuntu/+source/squid3/3.5.27-1ubuntu1.3
https://launchpad.net/ubuntu/+source/squid3/3.5.12-1ubuntu7.8

Original Source

Url : http://www.ubuntu.com/usn/USN-4065-1

CWE : Common Weakness Enumeration

% Id Name
67 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
33 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 290
Os 4
Os 3
Os 1
Os 2
Os 1
Os 4
Os 3
Os 3

Alert History

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0
1
Date Informations
2019-07-23 00:23:19
  • Multiple Updates
2019-07-18 21:20:31
  • First insertion