high
7.5
CWE
20
Advisory Published
Updated

CVE-2015-8562: Input Validation

First published: Wed Dec 16 2015(Updated: )

Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Joomla=1.5.0
Joomla=1.5.1
Joomla=1.5.2
Joomla=1.5.3
Joomla=1.5.4
Joomla=1.5.6
Joomla=1.5.7
Joomla=1.5.8
Joomla=1.5.9
Joomla=1.5.10
Joomla=1.5.11
Joomla=1.5.12
Joomla=1.5.13
Joomla=1.5.14
Joomla=1.5.15
Joomla=1.5.16
Joomla=1.5.17
Joomla=1.5.18
Joomla=1.5.19
Joomla=1.5.20
Joomla=1.5.21
Joomla=1.5.22
Joomla=1.5.23
Joomla=1.5.24
Joomla=1.5.25
Joomla=1.5.26
Joomla=1.6.0
Joomla=1.6.1
Joomla=1.6.2
Joomla=1.6.3
Joomla=1.6.4
Joomla=1.6.5
Joomla=1.6.6
Joomla=1.7.0
Joomla=1.7.1
Joomla=1.7.2
Joomla=1.7.3
Joomla=1.7.4
Joomla=1.7.5
Joomla=2.5.0
Joomla=2.5.1
Joomla=2.5.2
Joomla=2.5.3
Joomla=2.5.4
Joomla=2.5.5
Joomla=2.5.6
Joomla=2.5.7
Joomla=2.5.8
Joomla=2.5.9
Joomla=2.5.10
Joomla=2.5.11
Joomla=2.5.12
Joomla=2.5.13
Joomla=2.5.14
Joomla=2.5.15
Joomla=2.5.16
Joomla=2.5.17
Joomla=2.5.18
Joomla=2.5.19
Joomla=2.5.20
Joomla=2.5.21
Joomla=2.5.22
Joomla=2.5.23
Joomla=2.5.24
Joomla=2.5.25
Joomla=2.5.26
Joomla=2.5.27
Joomla=2.5.28
Joomla=3.0.0
Joomla=3.0.1
Joomla=3.0.2
Joomla=3.0.3
Joomla=3.1.0
Joomla=3.1.1
Joomla=3.1.2
Joomla=3.1.3
Joomla=3.1.4
Joomla=3.1.5
Joomla=3.1.6
Joomla=3.2.0
Joomla=3.2.1
Joomla=3.2.2
Joomla=3.2.3
Joomla=3.2.4
Joomla=3.3.0
Joomla=3.3.1
Joomla=3.3.2
Joomla=3.3.3
Joomla=3.3.4
Joomla=3.4.0
Joomla=3.4.1
Joomla=3.4.2
Joomla=3.4.3
Joomla=3.4.4
Joomla=3.4.5

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-8562?

    CVE-2015-8562 has a high severity rating due to its potential to allow remote code execution through PHP object injection.

  • How do I fix CVE-2015-8562?

    To fix CVE-2015-8562, upgrade your Joomla installation to version 3.4.6 or later, as this version addresses the vulnerability.

  • Who is affected by CVE-2015-8562?

    CVE-2015-8562 affects all Joomla installations from version 1.5.x to 3.4.5.

  • What types of attacks are possible with CVE-2015-8562?

    CVE-2015-8562 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code.

  • When was CVE-2015-8562 first exploited?

    CVE-2015-8562 was reported to be exploited in the wild in December 2015.

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