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Ubuntu Security Notice USN-4059-1

Ubuntu Security Notice USN-4059-1
Posted Jul 16, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4059-1 - It was discovered that Squid incorrectly handled certain SNMP packets. A remote attacker could possibly use this issue to cause memory consumption, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that Squid incorrectly handled the cachemgr.cgi web module. A remote attacker could possibly use this issue to conduct cross-site scripting attacks. Various other issues were also addressed.

tags | advisory, remote, web, denial of service, cgi, xss
systems | linux, ubuntu
advisories | CVE-2018-19132, CVE-2019-13345
MD5 | bf7b4c06d599e5f9a96a8cba60efc48b

Ubuntu Security Notice USN-4059-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4059-1
July 15, 2019

squid, squid3 vulnerabilities
==========================================================================

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 certain SNMP packets. A
remote attacker could possibly use this issue to cause memory consumption,
leading to a denial of service. This issue only affected Ubuntu 16.04 LTS
and Ubuntu 18.04 LTS. (CVE-2018-19132)

It was discovered that Squid incorrectly handled the cachemgr.cgi web
module. A remote attacker could possibly use this issue to conduct
cross-site scripting (XSS) attacks. (CVE-2019-13345)

Update instructions:

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

Ubuntu 19.04:
squid 4.4-1ubuntu2.1

Ubuntu 18.04 LTS:
squid3 3.5.27-1ubuntu1.2

Ubuntu 16.04 LTS:
squid3 3.5.12-1ubuntu7.7

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

References:
https://usn.ubuntu.com/4059-1
CVE-2018-19132, CVE-2019-13345

Package Information:
https://launchpad.net/ubuntu/+source/squid/4.4-1ubuntu2.1
https://launchpad.net/ubuntu/+source/squid3/3.5.27-1ubuntu1.2
https://launchpad.net/ubuntu/+source/squid3/3.5.12-1ubuntu7.7
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