ESB-2020.3698 – [Ubuntu] MariaDB: Multiple vulnerabilities

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.3698
                    USN-4603-1: MariaDB vulnerabilities
                              28 October 2020

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           MariaDB
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account            
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-15180 CVE-2020-13249 CVE-2020-2814
                   CVE-2020-2812 CVE-2020-2760 CVE-2020-2752

Reference:         ASB-2020.0087
                   ESB-2020.3632
                   ESB-2020.3450

Original Bulletin: 
   https://usn.ubuntu.com/4603-1/

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USN-4603-1: MariaDB vulnerabilities
27 October 2020

Several security issues were fixed in MariaDB.
Releases

  o Ubuntu 20.04 LTS
  o Ubuntu 18.04 LTS

Packages

  o mariadb-10.1 - MariaDB database
  o mariadb-10.3 - MariaDB database

Details

It was discovered that MariaDB didn't properly validate the content of a packet
received from a server. A remote attacker could use this vulnerability to sent
a specialy crafted file to cause a denial of service. (CVE-2020-13249)

It was discovered that MariaDB has other security issues. An attacker can cause
a hang or frequently repeatable crash (denial of service). (CVE-2020-15180,
CVE-2020-2752, CVE-2020-2760, CVE-2020-2812, CVE-2020-2814)

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

Update instructions

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

Ubuntu 20.04

  o mariadb-server - 1:10.3.25-0ubuntu0.20.04.1

Ubuntu 18.04

  o mariadb-server - 1:10.1.47-0ubuntu0.18.04.1

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart MariaDB to
make all the necessary changes.

References

  o CVE-2020-2760
  o CVE-2020-13249
  o CVE-2020-2752
  o CVE-2020-15180
  o CVE-2020-2814
  o CVE-2020-2812

Related notices

  o USN-4350-1 : mysql-server-5.7, mysql-8.0, mysql-server-8.0, mysql-5.7

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
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