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Debian 7: DLA-1373-1 Critical: php5 Access Control Issues

debian lts
Calendar Grey May 9, 2018
Dist Debian Esm H88
Important security patch for php5 in Debian 7 resolves several vulnerabilities. Users advised to upgrade for enhanced PHP security.
Several issues have been discovered in PHP (recursive acronym for PHP: Hypertext Preprocessor), a widely-used open source general-purpose scripting language that is especially suit...

Summary

Dumpable FPM child processes allow bypassing opcache access
controls because fpm_unix.c makes a PR_SET_DUMPABLE prctl call,
allowing one user (in a multiuser environment) to obtain sensitive
information from the process memory of a second user's PHP
applications by running gcore on the PID of the PHP-FPM worker
process.

CVE-2018-10547

There is a reflected XSS on the PHAR 403 and 404 error pages via
request data of a request for a .phar file. NOTE: this vulnerability
exists because of an incomplete fix for CVE-2018-5712.

CVE-2018-10548

ext/ldap/ldap.c allows remote LDAP servers to cause a denial of
service (NULL pointer dereference and application crash) because of
mishandling of the ldap_get_dn return value.

For Debian 7 "Wheezy", these problems have been fixed in version
5.4.45-0+deb7u14.

We recommend that you upgrade your php5 packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be

Read the Full Advisory


Severity
critical
Lowest
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Critical

Package: php5
Version: 5.4.45-0+deb7u14
CVE ID: CVE-2018-10545 CVE-2018-10547 CVE-2018-10548

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