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Ubuntu Security Notice USN-4065-2

Ubuntu Security Notice USN-4065-2
Posted Jul 22, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4065-2 - USN-4065-1 fixed several vulnerabilities in Squid. This update provides the corresponding update for Ubuntu 12.04 ESM. 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. Various other issues were also addressed.

tags | advisory, remote, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-12525, CVE-2019-12529
SHA-256 | a258175e3f5fe73285d27128ff90ab71441972e45b00f9c20356aa09c164cb08

Ubuntu Security Notice USN-4065-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4065-2
July 22, 2019

squid3 vulnerabilities
==========================================================================

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

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in Squid.

Software Description:
- squid3: Web proxy cache server

Details:

USN-4065-1 fixed several vulnerabilities in Squid. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory 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 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 12.04 ESM:
squid3 3.1.19-1ubuntu3.12.04.10

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

References:
https://usn.ubuntu.com/4065-2
https://usn.ubuntu.com/4065-1
CVE-2019-12525, CVE-2019-12529
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