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Ubuntu 19.10 Update: PHP Security Advisory USN-4279-1 Critical Risks

ubuntu
Calendar Grey February 17, 2020
Dist Ubuntu Esm H88
Solutions for PHP vulnerabilities in Ubuntu 18.04 LTS to 19.10: denial-of-service and remote code execution threats mitigated.
Several security issues were fixed in PHP.

Summary

Several security issues were fixed in PHP.

Software Description:

- php7.3: server-side, HTML-embedded scripting language (metapackage)

- php7.2: HTML-embedded scripting language interpreter

- php7.0: HTML-embedded scripting language interpreter

- php5: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled certain scripts.

An attacker could possibly use this issue to cause a denial of service.

This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS.

(CVE-2015-9253)

It was discovered that PHP incorrectly handled certain inputs. An attacker

could possibly use this issue to expose sensitive information.

(CVE-2020-7059)

It was discovered that PHP incorrectly handled certain inputs.

An attacker could possibly use this issue to execute arbitrary code.

This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS

and Ubuntu 19.10. (CVE-2020-7060)

Topics%20covered

Topics Covered

security advisory denial of service software update code execution Ubuntu information exposure PHP

Update Instructions

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

Ubuntu 19.10:
  libapache2-mod-php7.3           7.3.11-0ubuntu0.19.10.3
  php7.3-cgi                      7.3.11-0ubuntu0.19.10.3
  php7.3-cli                      7.3.11-0ubuntu0.19.10.3
  php7.3-fpm                      7.3.11-0ubuntu0.19.10.3

Ubuntu 18.04 LTS:
  libapache2-mod-php7.2           7.2.24-0ubuntu0.18.04.3
  php7.2-cgi                      7.2.24-0ubuntu0.18.04.3
  php7.2-cli                      7.2.24-0ubuntu0.18.04.3
  php7.2-fpm                      7.2.24-0ubuntu0.18.04.3

Ubuntu 16.04 LTS:
  libapache2-mod-php7.0           7.0.33-0ubuntu0.16.04.11
  php7.0-cgi                      7.0.33-0ubuntu0.16.04.11
  php7.0-cli                      7.0.33-0ubuntu0.16.04.11
  php7.0-fpm                      7.0.33-0ubuntu0.16.04.11

Ubuntu 14.04 ESM:
  libapache2-mod-php5             5.5.9+dfsg-1ubuntu4.29+esm10
  php5-cgi                        5.5.9+dfsg-1ubuntu4.29+esm10
  php5-cli                        5.5.9+dfsg-1ubuntu4.29+esm10
  php5-fpm                        5.5.9+dfsg-1ubuntu4.29+esm10

Ubuntu 12.04 ESM:
  libapache2-mod-php5             5.3.10-1ubuntu3.44
  php5-cgi                        5.3.10-1ubuntu3.44
  php5-cli                        5.3.10-1ubuntu3.44
  php5-fpm                        5.3.10-1ubuntu3.44

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

References

https://ubuntu.com/security/notices/USN-4279-1

CVE-2015-9253, CVE-2020-7059, CVE-2020-7060

Severity
critical
Lowest
Low
Medium
High
Critical

February 17, 2020

Topics%20covered

Topics Covered

security advisory denial of service software update code execution Ubuntu information exposure PHP

Package Information

https://launchpad.net/ubuntu/+source/php7.3/7.3.11-0ubuntu0.19.10.3
https://launchpad.net/ubuntu/+source/php7.2/7.2.24-0ubuntu0.18.04.3
https://launchpad.net/ubuntu/+source/php7.0/7.0.33-0ubuntu0.16.04.11

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