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Ubuntu 16.04 ESM: USN-6054-1 Serious: Python Remote Code Execution Risk

ubuntu
Calendar Grey May 2, 2023
Dist Ubuntu Esm H88
A PHP flaw enables circumvention of password verifications, impacting Ubuntu 16.04 ESM. Ensure applications are updated for security.
PHP could be made to bypass password checking if a specially crafted input was provided.

Summary

PHP could be made to bypass password checking if a specially crafted input was

provided.

Software Description:

- php7.0: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled certain invalid Blowfish

password hashes. An invalid password hash could possibly allow applications to

accept any password as valid, contrary to expectations.

Topics%20covered

Topics Covered

security advisory moderate php update instructions software issue ubuntu password bypass

Update Instructions

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

Ubuntu 16.04 ESM:
   libapache2-mod-php7.0           7.0.33-0ubuntu0.16.04.16+esm6
   php7.0                          7.0.33-0ubuntu0.16.04.16+esm6
   php7.0-cgi                      7.0.33-0ubuntu0.16.04.16+esm6
   php7.0-cli                      7.0.33-0ubuntu0.16.04.16+esm6
   php7.0-fpm                      7.0.33-0ubuntu0.16.04.16+esm6

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

References

  https://ubuntu.com/security/notices/USN-6053-1

  CVE-2023-0567

Severity
important
Lowest
Low
Medium
High
Critical

May 02, 2023

Topics%20covered

Topics Covered

security advisory moderate php update instructions software issue ubuntu password bypass

Package Information

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