Input validation error in Fedoraproject products - CVE-2019-11045

 

Input validation error in Fedoraproject products - CVE-2019-11045

Published: December 23, 2019 / Updated: August 4, 2020


Vulnerability identifier: #VU33363
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-11045
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0, PHP DirectoryIterator class accepts filenames with embedded byte and treats them as terminating at that byte. This could lead to security vulnerabilities, e.g. in applications checking paths that the code is allowed to access.


Affected software

PHP
Debian Linux
Fedora
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Opensuse
Red Hat Software Collections
Tenable.sc
php7 (Alpine package)
php7.0 (Debian package)
php
php7.3 (Debian package)
rh-php73-php (Red Hat package)

How to mitigate CVE-2019-11045

Install update from vendor's website.

Tenable.sc - update to 5.19.0
php7 (Alpine package) - update to 7.2.26-r0
php7.0 (Debian package) - update to 7.0.33-0+deb9u7
php - addressed in versions 7.3.13-1.fc30, 7.3.13-1.fc31
php7.3 (Debian package) - update to 7.3.14-1~deb10u1
rh-php73-php (Red Hat package) - update to 7.3.20-1.el7

External References

Related Security Bulletins