what you don't know can hurt you
Home Files News &[SERVICES_TAB]About Contact Add New

Ubuntu Security Notice USN-4458-1

Ubuntu Security Notice USN-4458-1
Posted Aug 13, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4458-1 - Fabrice Perez discovered that the Apache mod_rewrite module incorrectly handled certain redirects. A remote attacker could possibly use this issue to perform redirects to an unexpected URL. Chamal De Silva discovered that the Apache mod_proxy_ftp module incorrectly handled memory when proxying to a malicious FTP server. A remote attacker could possibly use this issue to obtain sensitive information. Various other issues were also addressed.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2020-11984, CVE-2020-11993, CVE-2020-1927, CVE-2020-1934, CVE-2020-9490
SHA-256 | 4c21378f5547785a91c122ca0a869ace7a197113022d389224aa2b182dc0d3a3

Ubuntu Security Notice USN-4458-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4458-1
August 13, 2020

apache2 vulnerabilities
==========================================================================

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Apache HTTP Server.

Software Description:
- apache2: Apache HTTP server

Details:

Fabrice Perez discovered that the Apache mod_rewrite module incorrectly
handled certain redirects. A remote attacker could possibly use this issue
to perform redirects to an unexpected URL. (CVE-2020-1927)

Chamal De Silva discovered that the Apache mod_proxy_ftp module incorrectly
handled memory when proxying to a malicious FTP server. A remote attacker
could possibly use this issue to obtain sensitive information.
(CVE-2020-1934)

Felix Wilhelm discovered that the HTTP/2 implementation in Apache did not
properly handle certain Cache-Digest headers. A remote attacker could
possibly use this issue to cause Apache to crash, resulting in a denial of
service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2020-9490)

Felix Wilhelm discovered that the Apache mod_proxy_uwsgi module incorrectly
handled large headers. A remote attacker could use this issue to obtain
sensitive information or possibly execute arbitrary code. This issue only
affected Ubuntu 20.04 LTS. (CVE-2020-11984)

Felix Wilhelm discovered that the HTTP/2 implementation in Apache did not
properly handle certain logging statements. A remote attacker could
possibly use this issue to cause Apache to crash, resulting in a denial of
service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2020-11993)

Update instructions:

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

Ubuntu 20.04 LTS:
apache2 2.4.41-4ubuntu3.1
apache2-bin 2.4.41-4ubuntu3.1
libapache2-mod-proxy-uwsgi 2.4.41-4ubuntu3.1

Ubuntu 18.04 LTS:
apache2 2.4.29-1ubuntu4.14
apache2-bin 2.4.29-1ubuntu4.14

Ubuntu 16.04 LTS:
apache2 2.4.18-2ubuntu3.17
apache2-bin 2.4.18-2ubuntu3.17

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

References:
https://usn.ubuntu.com/4458-1
CVE-2020-11984, CVE-2020-11993, CVE-2020-1927, CVE-2020-1934,
CVE-2020-9490

Package Information:
https://launchpad.net/ubuntu/+source/apache2/2.4.41-4ubuntu3.1
https://launchpad.net/ubuntu/+source/apache2/2.4.29-1ubuntu4.14
https://launchpad.net/ubuntu/+source/apache2/2.4.18-2ubuntu3.17
Login or Register to add favorites

File Archive:

April 2024

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

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close