CVE-2015-8562: Input Validation

Published 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.

Affected Software

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

Event History

Dec 16, 2015
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
Description

Frequently Asked Questions

1

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.

2

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.

3

Who is affected by CVE-2015-8562?

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

4

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.

5

When was CVE-2015-8562 first exploited?

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

Contact

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