high
7.5
CWE
20
Advisory Published
Updated

CVE-2015-4598: Input Validation

First published: Mon May 16 2016(Updated: )

PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 does not ensure that pathnames lack %00 sequences, which might allow remote attackers to read or write to arbitrary files via crafted input to an application that calls (1) a DOMDocument save method or (2) the GD imagepsloadfont function, as demonstrated by a filename\0.html attack that bypasses an intended configuration in which client users may write to only .html files.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Red Hat Enterprise Linux Desktop=7.0
Red Hat Enterprise Linux HPC Node=7.0
Red Hat Enterprise Linux HPC Node=7.1
Red Hat Enterprise Linux Server=7.0
Red Hat Enterprise Linux Server=7.1
Red Hat Enterprise Linux Workstation=7.0
PHP<=5.4.41
PHP=5.5.0
PHP=5.5.1
PHP=5.5.2
PHP=5.5.3
PHP=5.5.4
PHP=5.5.5
PHP=5.5.6
PHP=5.5.7
PHP=5.5.8
PHP=5.5.9
PHP=5.5.10
PHP=5.5.11
PHP=5.5.12
PHP=5.5.13
PHP=5.5.14
PHP=5.5.15
PHP=5.5.16
PHP=5.5.17
PHP=5.5.18
PHP=5.5.19
PHP=5.5.20
PHP=5.5.21
PHP=5.5.22
PHP=5.5.23
PHP=5.5.24
PHP=5.5.25
PHP=5.6.0
PHP=5.6.1
PHP=5.6.2
PHP=5.6.3
PHP=5.6.4
PHP=5.6.5
PHP=5.6.6
PHP=5.6.7
PHP=5.6.8
PHP=5.6.9
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-4598?

    CVE-2015-4598 is classified as having a medium severity level.

  • How do I fix CVE-2015-4598?

    To fix CVE-2015-4598, upgrade PHP to versions 5.4.42, 5.5.26, or 5.6.10 or later.

  • What systems are affected by CVE-2015-4598?

    CVE-2015-4598 affects PHP versions earlier than 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10.

  • Can CVE-2015-4598 lead to remote file access?

    Yes, CVE-2015-4598 can allow remote attackers to read or write to arbitrary files.

  • What specific methods are vulnerable in CVE-2015-4598?

    The vulnerability is present in the DOMDocument save method and the GD imagepsloadfont function.

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