high
7.5
CWE
190 189
Advisory Published
Updated

CVE-2016-4070: Integer Overflow

First published: Fri May 20 2016(Updated: )

** DISPUTED ** Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not)."

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
PHP PHP<=5.5.33
PHP PHP=5.6.0-alpha1
PHP PHP=5.6.0-alpha2
PHP PHP=5.6.0-alpha3
PHP PHP=5.6.0-alpha4
PHP PHP=5.6.0-alpha5
PHP PHP=5.6.0-beta1
PHP PHP=5.6.0-beta2
PHP PHP=5.6.0-beta3
PHP PHP=5.6.0-beta4
PHP PHP=5.6.1
PHP PHP=5.6.2
PHP PHP=5.6.3
PHP PHP=5.6.4
PHP PHP=5.6.5
PHP PHP=5.6.6
PHP PHP=5.6.7
PHP PHP=5.6.8
PHP PHP=5.6.9
PHP PHP=5.6.10
PHP PHP=5.6.11
PHP PHP=5.6.12
PHP PHP=5.6.13
PHP PHP=5.6.14
PHP PHP=5.6.15
PHP PHP=5.6.16
PHP PHP=5.6.17
PHP PHP=5.6.18
PHP PHP=5.6.19
PHP PHP=7.0.0
PHP PHP=7.0.1
PHP PHP=7.0.2
PHP PHP=7.0.3
PHP PHP=7.0.4
PHP PHP<7.0.5
7.0.5
debian/hhvm
debian/php5
debian/php7.0

Remedy

https://git.php.net/?p=php-src.git;a=commit;h=95433e8e339dbb6b5d5541473c1661db6ba2c451

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Reference Links

Frequently Asked Questions

  • What is CVE-2016-4070?

    CVE-2016-4070 is a vulnerability in PHP versions before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 that allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function.

  • Who is affected by CVE-2016-4070?

    Users of PHP versions before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 are affected by this vulnerability.

  • What is the severity of CVE-2016-4070?

    The severity of CVE-2016-4070 is high, with a CVSS score of 7.5.

  • How can I fix CVE-2016-4070?

    To fix CVE-2016-4070, upgrade PHP to version 5.5.34, 5.6.20, or 7.0.5, depending on your PHP version.

  • Where can I find more information about CVE-2016-4070?

    You can find more information about CVE-2016-4070 at the following links: [1] https://www.php.net/ChangeLog-7.php#7.0.5 [2] http://www.openwall.com/lists/oss-security/2016/04/24/1 [3] http://www.php.net/ChangeLog-5.php

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