Security
Headlines
HeadlinesLatestCVEs

Headline

Ubuntu Security Notice USN-5491-1

Ubuntu Security Notice 5491-1 - Joshua Rogers discovered that Squid incorrectly handled the Gopher protocol. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service.

Packet Storm
#vulnerability#web#ubuntu#dos

==========================================================================
Ubuntu Security Notice USN-5491-1
June 22, 2022

squid, squid3 vulnerability

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

  • Ubuntu 22.04 LTS
  • Ubuntu 21.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 LTS

Summary:

Squid could be made to crash if it received specially crafted network
traffic.

Software Description:

  • squid: Web proxy cache server
  • squid3: Web proxy cache server

Details:

Joshua Rogers discovered that Squid incorrectly handled the Gopher
protocol. A remote attacker could possibly use this issue to cause Squid to
crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 22.04 LTS:
squid 5.2-1ubuntu4.1

Ubuntu 21.10:
squid 4.13-10ubuntu5.1

Ubuntu 20.04 LTS:
squid 4.10-1ubuntu1.6

Ubuntu 18.04 LTS:
squid 3.5.27-1ubuntu1.13

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

References:
https://ubuntu.com/security/notices/USN-5491-1
CVE-2021-46784

Package Information:
https://launchpad.net/ubuntu/+source/squid/5.2-1ubuntu4.1
https://launchpad.net/ubuntu/+source/squid/4.13-10ubuntu5.1
https://launchpad.net/ubuntu/+source/squid/4.10-1ubuntu1.6
https://launchpad.net/ubuntu/+source/squid3/3.5.27-1ubuntu1.13

Related news

Red Hat Security Advisory 2022-6252-02

Red Hat Security Advisory 2022-6252-02 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 3.11.784. Issues addressed include a bypass vulnerability.

RHSA-2022:6252: Red Hat Security Advisory: OpenShift Container Platform 3.11.784 security update

Red Hat OpenShift Container Platform release 3.11.784 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 3.11. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-39226: grafana: Snapshot authentication bypass

Red Hat Security Advisory 2022-5526-01

Red Hat Security Advisory 2022-5526-01 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2022-5542-01

Red Hat Security Advisory 2022-5542-01 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Issues addressed include a denial of service vulnerability.

CVE-2021-46784

In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.

RHSA-2022:5542: Red Hat Security Advisory: squid security update

An update for squid is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-46784: squid: DoS when processing gopher server responses

RHSA-2022:5526: Red Hat Security Advisory: squid:4 security update

An update for the squid:4 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-46784: squid: DoS when processing gopher server responses

RHSA-2022:5528: Red Hat Security Advisory: squid:4 security update

An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-46784: squid: DoS when processing gopher server responses

RHSA-2022:5529: Red Hat Security Advisory: squid:4 security update

An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-46784: squid: DoS when processing gopher server responses

RHSA-2022:5527: Red Hat Security Advisory: squid security update

An update for squid is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-46784: squid: DoS when processing gopher server responses

RHSA-2022:5530: Red Hat Security Advisory: squid:4 security update

An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-46784: squid: DoS when processing gopher server responses

Packet Storm: Latest News

Acronis Cyber Protect/Backup Remote Code Execution