medium
5
CWE
399
Advisory Published
Updated

CVE-2015-4024

First published: Tue Jun 09 2015(Updated: )

Algorithmic complexity vulnerability in the multipart_buffer_headers function in main/rfc1867.c in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 allows remote attackers to cause a denial of service (CPU consumption) via crafted form data that triggers an improper order-of-growth outcome.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0
Apple iOS and macOS<=10.10.4
PHP<=5.4.40
PHP=5.4.39
PHP=5.5.0
PHP=5.5.0-alpha1
PHP=5.5.0-alpha2
PHP=5.5.0-alpha3
PHP=5.5.0-alpha4
PHP=5.5.0-alpha5
PHP=5.5.0-alpha6
PHP=5.5.0-beta1
PHP=5.5.0-beta2
PHP=5.5.0-beta3
PHP=5.5.0-beta4
PHP=5.5.0-rc1
PHP=5.5.0-rc2
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=5.5.18
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=5.6.0-alpha1
PHP=5.6.0-alpha2
PHP=5.6.0-alpha3
PHP=5.6.0-alpha4
PHP=5.6.0-alpha5
PHP=5.6.0-beta1
PHP=5.6.0-beta2
PHP=5.6.0-beta3
PHP=5.6.0-beta4
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
HP System Management Homepage<=7.5.3.1
Oracle Linux=6
Oracle Linux=7
Oracle Solaris and Zettabyte File System (ZFS)=11.2
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

Remedy

http://php.net/ChangeLog-5.php

Remedy

https://bugs.php.net/bug.php?id=69364

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-4024?

    CVE-2015-4024 is classified as a denial of service vulnerability that can lead to significant CPU consumption.

  • How do I fix CVE-2015-4024?

    To mitigate CVE-2015-4024, upgrade your PHP version to at least 5.4.41, 5.5.25, or 5.6.9.

  • What versions of PHP are affected by CVE-2015-4024?

    CVE-2015-4024 affects PHP versions prior to 5.4.41, all 5.5.x versions before 5.5.25, and all 5.6.x versions before 5.6.9.

  • Can CVE-2015-4024 be exploited remotely?

    Yes, CVE-2015-4024 can be exploited by remote attackers using crafted form data.

  • What impact does CVE-2015-4024 have on systems?

    The impact of CVE-2015-4024 includes increased CPU usage that could lead to service outages.

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