medium
6.8
CWE
189 79 89 190
Advisory Published
Updated

CVE-2009-5016: XSS

First published: Fri Nov 12 2010(Updated: )

Integer overflow in the xml_utf8_decode function in ext/xml/xml.c in PHP before 5.2.11 makes it easier for remote attackers to bypass cross-site scripting (XSS) and SQL injection protection mechanisms via a crafted string that uses overlong UTF-8 encoding, a different vulnerability than CVE-2010-3870.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
PHP=4.3.9
PHP=4.4.9
PHP=3.0
PHP=4.0-beta1
PHP=3.0.5
PHP=3.0.11
PHP=5.1.5
PHP=5.1.2
PHP=4.0-beta4
PHP=4.2.0
PHP=5.1.1
PHP=3.0.1
PHP=3.0.2
PHP=4.4.4
PHP=5.0.0-beta1
PHP=4.1.0
PHP=5.1.6
PHP=4.3.4
PHP=4.0.4
PHP=4.3.0
PHP=4.0.5
PHP=3.0.8
PHP=5.0.5
PHP=4.3.6
PHP=3.0.13
PHP=5.0.1
PHP=5.1.4
PHP=4.3.7
PHP=5.0.4
PHP=4.2.2
PHP<=5.2.10
PHP=4.4.2
PHP=3.0.7
PHP=4.3.2
PHP=4.3.11
PHP=4.0.0
PHP=3.0.6
PHP=3.0.17
PHP=4.0.7
PHP=4.0.2
PHP=4.3.3
PHP=2.0
PHP=4.1.1
PHP=3.0.15
PHP=3.0.16
PHP=4.4.3
PHP=5.0.0-rc2
PHP=5.0.3
PHP=3.0.10
PHP=3.0.4
PHP=4.2.3
PHP=5.1.0
PHP=4.4.5
PHP=5.0.0-rc3
PHP=4.0
PHP=4.0-beta2
PHP=2.0b10
PHP=4.4.8
PHP=4.0.6
PHP=5.2.0
PHP=4.1.2
PHP=5.0.0-beta3
PHP=4.3.1
PHP=5.1.3
PHP=3.0.18
PHP=4.0-beta_4_patch1
PHP=4.4.0
PHP=4.3.10
PHP=4.2.1
PHP=5.0.0-rc1
PHP=4.0.1
PHP=1.0
PHP=5.0.2
PHP=4.4.6
PHP=3.0.12
PHP=4.4.1
PHP=4.0-beta3
PHP=5.2.1
PHP=4.0.3
PHP=3.0.14
PHP=3.0.9
PHP=3.0.3
PHP=5.0.0-beta4
PHP=5.0.0
PHP=4.3.8
PHP=4.3.5
PHP=5.0.0-beta2
PHP=4.4.7

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2009-5016?

    CVE-2009-5016 is considered a medium severity vulnerability due to its potential to bypass security mechanisms like XSS and SQL injection protections.

  • How do I fix CVE-2009-5016?

    To mitigate CVE-2009-5016, it is recommended to upgrade PHP to version 5.2.11 or later, as earlier versions are affected by this vulnerability.

  • Which PHP versions are affected by CVE-2009-5016?

    CVE-2009-5016 affects PHP versions 3.0 through 5.2.10, including various 4.x and 5.x beta versions.

  • What type of attack does CVE-2009-5016 facilitate?

    CVE-2009-5016 facilitates attacks that allow remote attackers to bypass XSS and SQL injection protection using crafted strings with overlong UTF-8 encoding.

  • Is CVE-2009-5016 related to any other vulnerabilities?

    Yes, CVE-2009-5016 is a different vulnerability from CVE-2010-387, although both involve issues with PHP's handling of certain encoded strings.

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