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Vulnerability of Squid: Cross Site Scripting via cachemgr.cgi

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting via cachemgr.cgi of Squid, in order to run JavaScript code in the context of the web site.
Vulnerable systems: Debian, openSUSE Leap, Solaris, RHEL, Squid, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 2/4.
Creation date: 08/07/2019.
Références of this weakness: 4957, CERTFR-2019-AVI-332, CVE-2019-13345, DLA-1847-1, DLA-2278-1, DLA-2278-2, DLA-2278-3, DSA-4507-1, openSUSE-SU-2019:1963-1, openSUSE-SU-2019:2540-1, openSUSE-SU-2019:2541-1, RHSA-2019:3476-01, RHSA-2020:1068-01, SQUID-2019:6, SUSE-SU-2019:2089-1, SUSE-SU-2019:2092-1, SUSE-SU-2019:2975-1, SUSE-SU-2019:3067-1, SUSE-SU-2020:14460-1, USN-4059-1, USN-4059-2, VIGILANCE-VUL-29702.

Description of the vulnerability 

An attacker can trigger a Cross Site Scripting via cachemgr.cgi of Squid, in order to run JavaScript code in the context of the web site.
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This computer weakness bulletin impacts software or systems such as Debian, openSUSE Leap, Solaris, RHEL, Squid, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

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

An attacker with a expert ability can exploit this threat announce.

Solutions for this threat 

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

Squid: patch for cachemgr.cgi.
A patch is available:
  Squid 3.x: http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-5730c2b5cb56e7639dc423dd62651c8736a54e35.patch
  Squid 4: http://www.squid-cache.org/Versions/v4/changesets/squid-4-be1dc8614e7514103ba84d4067ed6fd15ab8f82e.patch

Debian 10: new squid packages.
New packages are available:
  Debian 10: squid 4.6-1+deb10u1

Debian 8: new squid3 packages.
New packages are available:
  Debian 8: squid3 3.4.8-6+deb8u7

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

openSUSE Leap 15: new squid packages (21/08/2019).
New packages are available:
  openSUSE Leap 15.0: squid 4.8-lp150.9.1
  openSUSE Leap 15.1: squid 4.8-lp151.2.3.1

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

Oracle Solaris: patch for third party software of October 2019 v2.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

RHEL 7: new squid packages.
New packages are available:
  RHEL 7.0-7.7: squid 3.5.20-15.el7

RHEL 8: new squid-4 module.
The following module is updated:
  RHEL 8 Module: squid:4

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 SP2: squid 3.5.21-26.17.1
  SUSE LE 12 SP3: squid 3.5.21-26.17.1
  SUSE LE 12 SP4: squid 3.5.21-26.17.1

SUSE LE 12 SP5: new squid packages (26/11/2019).
New packages are available:
  SUSE LE 12 SP5: squid 4.9-4.3.2

SUSE LE 15: new squid packages (09/08/2019).
New packages are available:
  SUSE LE 15 RTM: squid 4.8-5.8.1
  SUSE LE 15 SP1: squid 4.8-5.8.1

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.
New packages are available:
  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
  Ubuntu 12.04 ESM: squid3 3.1.19-1ubuntu3.12.04.9
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