Debian LTS Advisory ([SECURITY] [DLA 1373-1] php5 security update)

Published: 2018-05-13 22:00:00
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

Affected Versions:
php5 on Debian Linux

Recommendations:
For Debian 7 'Wheezy', these problems have been fixed in version 5.4.45-0+deb7u14. We recommend that you upgrade your php5 Linux Distribution Packages.

Summary:
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 suited for web development and can be embedded into HTML. CVE-2018-10545 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.

Detection Method:
This check tests the installed software version using the apt Linux Distribution Package manager.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2018-10545
https://nvd.nist.gov/vuln/detail/CVE-2018-10547
https://nvd.nist.gov/vuln/detail/CVE-2018-10548

References:

https://lists.debian.org/debian-lts-announce/2018/05/msg00004.html

Severity
Medium
CVSS Score
5.0
Published
2018-05-13
Modified
2019-03-18
Category
Debian Local Security Checks

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