Bash, Squid Updates for Ubuntu
Posted on: 07/15/2019 07:21 PM

The following updates has been released for Ubuntu Linux:

USN-4058-1: Bash vulnerability
USN-4059-1: Squid vulnerabilities

USN-4058-1: Bash vulnerability

==========================================================================
Ubuntu Security Notice USN-4058-1
July 15, 2019

bash vulnerability
==========================================================================

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

- Ubuntu 16.04 LTS

Summary:

A system hardening measure could be bypassed.

Software Description:
- bash: GNU Bourne Again SHell

Details:

It was discovered that Bash incorrectly handled the restricted shell. An
attacker could possibly use this issue to escape restrictions and execute
any command.

Update instructions:

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

Ubuntu 16.04 LTS:
bash 4.3-14ubuntu1.4

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

References:
https://usn.ubuntu.com/4058-1
CVE-2019-9924

Package Information:
https://launchpad.net/ubuntu/+source/bash/4.3-14ubuntu1.4




USN-4059-1: Squid vulnerabilities


==========================================================================
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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