exploit the possibilities

Ubuntu Security Notice USN-4356-1

Ubuntu Security Notice USN-4356-1
Posted May 13, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4356-1 - Jeriko One discovered that Squid incorrectly handled certain Edge Side Includes responses. A malicious remote server could cause Squid to crash, possibly poison the cache, or possibly execute arbitrary code. It was discovered that Squid incorrectly handled the hostname parameter to cachemgr.cgi when certain browsers are used. A remote attacker could possibly use this issue to inject HTML or invalid characters in the hostname parameter. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 19.10. Various other issues were also addressed.

tags | advisory, remote, arbitrary, cgi
systems | linux, ubuntu
advisories | CVE-2019-12519, CVE-2019-18860, CVE-2020-11945
MD5 | 912e3785476f63f63c09c04aa1de6291

Ubuntu Security Notice USN-4356-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4356-1
May 13, 2020

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

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

- Ubuntu 20.04 LTS
- Ubuntu 19.10
- 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:

Jeriko One discovered that Squid incorrectly handled certain Edge Side
Includes (ESI) responses. A malicious remote server could cause Squid to
crash, possibly poison the cache, or possibly execute arbitrary code.
(CVE-2019-12519, CVE-2019-12521)

It was discovered that Squid incorrectly handled the hostname parameter to
cachemgr.cgi when certain browsers are used. A remote attacker could
possibly use this issue to inject HTML or invalid characters in the
hostname parameter. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04
LTS, and Ubuntu 19.10. (CVE-2019-18860)

Clément Berthaux and Florian Guilbert discovered that Squid incorrectly
handled Digest Authentication nonce values. A remote attacker could
use this issue to replay nonce values, or possibly execute arbitrary code.
(CVE-2020-11945)

Update instructions:

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

Ubuntu 20.04 LTS:
squid 4.10-1ubuntu1.1

Ubuntu 19.10:
squid 4.8-1ubuntu2.3

Ubuntu 18.04 LTS:
squid 3.5.27-1ubuntu1.6

Ubuntu 16.04 LTS:
squid 3.5.12-1ubuntu7.11

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

References:
https://usn.ubuntu.com/4356-1
CVE-2019-12519, CVE-2019-12521, CVE-2019-18860, CVE-2020-11945

Package Information:
https://launchpad.net/ubuntu/+source/squid/4.10-1ubuntu1.1
https://launchpad.net/ubuntu/+source/squid/4.8-1ubuntu2.3
https://launchpad.net/ubuntu/+source/squid3/3.5.27-1ubuntu1.6
https://launchpad.net/ubuntu/+source/squid3/3.5.12-1ubuntu7.11
Login or Register to add favorites

File Archive:

June 2021

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jun 1st
    35 Files
  • 2
    Jun 2nd
    14 Files
  • 3
    Jun 3rd
    40 Files
  • 4
    Jun 4th
    22 Files
  • 5
    Jun 5th
    1 Files
  • 6
    Jun 6th
    1 Files
  • 7
    Jun 7th
    19 Files
  • 8
    Jun 8th
    14 Files
  • 9
    Jun 9th
    39 Files
  • 10
    Jun 10th
    20 Files
  • 11
    Jun 11th
    22 Files
  • 12
    Jun 12th
    2 Files
  • 13
    Jun 13th
    1 Files
  • 14
    Jun 14th
    32 Files
  • 15
    Jun 15th
    34 Files
  • 16
    Jun 16th
    9 Files
  • 17
    Jun 17th
    33 Files
  • 18
    Jun 18th
    0 Files
  • 19
    Jun 19th
    0 Files
  • 20
    Jun 20th
    0 Files
  • 21
    Jun 21st
    0 Files
  • 22
    Jun 22nd
    0 Files
  • 23
    Jun 23rd
    0 Files
  • 24
    Jun 24th
    0 Files
  • 25
    Jun 25th
    0 Files
  • 26
    Jun 26th
    0 Files
  • 27
    Jun 27th
    0 Files
  • 28
    Jun 28th
    0 Files
  • 29
    Jun 29th
    0 Files
  • 30
    Jun 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close