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Vulnerability of Squid: two vulnerabilities via Cache Manager

Synthesis of the vulnerability 

An attacker can use several vulnerabilities via Cache Manager of Squid.
Vulnerable software: Debian, openSUSE Leap, Squid, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this announce: 2/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 20/04/2020.
Références of this computer vulnerability: CVE-2019-12520, CVE-2019-12524, DLA-2278-1, DLA-2278-2, DLA-2278-3, DSA-4682-1, openSUSE-SU-2019:2540-1, openSUSE-SU-2019:2541-1, SQUID-2019:4, SUSE-SU-2019:2975-1, SUSE-SU-2020:1227-1, SUSE-SU-2020:14460-1, USN-4446-1, USN-4446-2, VIGILANCE-VUL-32071.

Description of the vulnerability 

An attacker can use several vulnerabilities via Cache Manager of Squid.
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This cybersecurity announce impacts software or systems such as Debian, openSUSE Leap, Squid, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this threat alert is medium.

The trust level is of type confirmed by the editor, with an origin of document.

This bulletin is about 2 vulnerabilities.

An attacker with a expert ability can exploit this computer weakness alert.

Solutions for this threat 

Squid cache: version 4.8.
The version 4.8 is fixed:
  http://www.squid-cache.org/Versions/v4/

Squid cache: solution for Cache Manager.
The editor will not offer a solution, and recommend to skip to version 4.8.

Debian 10: new squid packages.
New packages are available:
  Debian 10: squid 4.6-1+deb10u2

Debian 9: new squid3 packages.
New packages are available:
  Debian 9: squid3 3.5.23-5+deb9u4

openSUSE Leap 15: new squid packages (22/11/2019).
New packages are available:
  openSUSE Leap 15.0: squid 4.9-lp150.13.1
  openSUSE Leap 15.1: squid 4.9-lp151.2.7.1

SUSE LE 11 SP3-4: new squid3 packages.
New packages are available:
  SUSE LE 11 SP3: squid3 3.1.23-8.16.37.12.1
  SUSE LE 11 SP4: squid3 3.1.23-8.16.37.12.1

SUSE LE 12: new squid packages.
New packages are available:
  SUSE LE 12 SP4: squid 3.5.21-26.23.1
  SUSE LE 12 SP3: squid 3.5.21-26.23.1
  SUSE LE 12 SP2: squid 3.5.21-26.23.1

SUSE LE 15: new squid packages (15/11/2019).
New packages are available:
  SUSE LE 15 RTM: squid 4.9-5.11.1
  SUSE LE 15 SP1: squid 4.9-5.11.1

Ubuntu: new squid packages (03/08/2020).
New packages are available:
  Ubuntu 18.04 LTS: squid 3.5.27-1ubuntu1.8
  Ubuntu 16.04 LTS: squid 3.5.12-1ubuntu7.13
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