Category Archives: Advisories

Advisories

USN-5400-3: MySQL regression

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USN-5400-1 fixed vulnerabilities in MySQL. The fix breaks existing charm configurations.
This updated fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Multiple security issues were discovered in MySQL and this update includes
new upstream MySQL versions to fix these issues.

MySQL has been updated to 8.0.29 in Ubuntu 20.04 LTS, Ubuntu 21.10, and
Ubuntu 22.04 LTS. Ubuntu 18.04 LTS has been updated to MySQL 5.7.38.

In addition to security fixes, the updated packages contain bug fixes, new
features, and possibly incompatible changes.

Please see the following for more information:

https://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-38.html
https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-29.html
https://www.oracle.com/security-alerts/cpuapr2022.html

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Advisories

USN-5354-2: Twisted vulnerability

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USN-5354-1 fixed vulnerabilities in Twisted. This update provides the
corresponding updates for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and
Ubuntu 22.04 LTS.

Original advisory details:

It was discovered that Twisted incorrectly processed SSH handshake data on
connection establishments. A remote attacker could use this issue to cause
Twisted to crash, resulting in a denial of service. (CVE-2022-21716)

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Advisories

A Vulnerability in C Standard Libraries uClibe and uClibe-ng Could Allow for DNS Poisoning

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A vulnerability which could allow for DNS poisoning attacks has been discovered in the C standard libraries uClibe and uClibe-ng, which are widely used in IoT products. DNS poisoning enables a subsequent Man-in-the-Middle scenario, which can be used to perform actions like stealing information, forcing authenticated responses, as well as installing malicious firmware.
There is currently no CVE listing, nor further details on affected products, as the research group Nozomi Networks is still working with vendors and library developers in finding a solution.
The MS-ISAC believes that due to various mitigating factors, this vulnerability does not pose an immediate threat to our member base. We would, however, like to share relevant details for your situational awareness.

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Advisories

Post Title

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Multiple vulnerabilities have been discovered in Mozilla Firefox and Firefox Extended Support Release (ESR), the most severe of which could allow for arbitrary code execution.

Mozilla Firefox is a web browser used to access the Internet.
Mozilla Firefox ESR is a version of the web browser intended to be deployed in large organizations.
Successful exploitation of the most severe of these vulnerabilities could allow for arbitrary code execution. Depending on the privileges associated with the user an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

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