CVE-2016-3171: Session data truncation can lead to unserialization of user provided data
Published Feb 15, 2016
·Updated
Drupal 6.x before 6.38, when used with PHP before 5.4.45, 5.5.x before 5.5.29, or 5.6.x before 5.6.13, might allow remote attackers to execute arbitrary code via vectors related to session data truncation.
Other sources
Session data truncation can lead to unserialization of user provided data
Affected Software
208 affected componentsFixes available
composer/drupal/core>=8.0, <8.0.4
composer/drupal/drupal>=8.0, <8.0.4
composer/drupal/drupal>=6.0<6.38
6.38
composer/drupal/core>=6.0<6.38
6.38
All of the following
Any of the following
PHP PHP<=5.4.44
PHP PHP=5.5.0
PHP PHP=5.5.0-alpha1
PHP PHP=5.5.0-alpha2
PHP PHP=5.5.0-alpha3
PHP PHP=5.5.0-alpha4
PHP PHP=5.5.0-alpha5
PHP PHP=5.5.0-alpha6
PHP PHP=5.5.0-beta1
PHP PHP=5.5.0-beta2
PHP PHP=5.5.0-beta3
PHP PHP=5.5.0-beta4
PHP PHP=5.5.0-rc1
PHP PHP=5.5.0-rc2
PHP PHP=5.5.1
PHP PHP=5.5.2
PHP PHP=5.5.10
PHP PHP=5.5.11
PHP PHP=5.5.12
PHP PHP=5.5.13
PHP PHP=5.5.14
PHP PHP=5.5.18
PHP PHP=5.5.19
PHP PHP=5.5.20
PHP PHP=5.5.21
PHP PHP=5.5.22
PHP PHP=5.5.23
PHP PHP=5.5.24
PHP PHP=5.5.25
PHP PHP=5.5.26
PHP PHP=5.5.27
PHP PHP=5.5.28
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
Any of the following
Drupal Drupal=6.0
Drupal Drupal=6.0-beta1
Drupal Drupal=6.0-beta2
Drupal Drupal=6.0-beta3
Drupal Drupal=6.0-beta4
Drupal Drupal=6.0-dev
Drupal Drupal=6.0-rc1
Drupal Drupal=6.0-rc2
Drupal Drupal=6.0-rc3
Drupal Drupal=6.0-rc4
Drupal Drupal=6.1
Drupal Drupal=6.2
Drupal Drupal=6.3
Drupal Drupal=6.4
Drupal Drupal=6.5
Drupal Drupal=6.6
Drupal Drupal=6.7
Drupal Drupal=6.8
Drupal Drupal=6.9
Drupal Drupal=6.10
Drupal Drupal=6.11
Drupal Drupal=6.12
Drupal Drupal=6.13
Drupal Drupal=6.14
Drupal Drupal=6.15
Drupal Drupal=6.16
Drupal Drupal=6.17
Drupal Drupal=6.18
Drupal Drupal=6.19
Drupal Drupal=6.20
Drupal Drupal=6.21
Drupal Drupal=6.22
Drupal Drupal=6.23
Drupal Drupal=6.24
Drupal Drupal=6.25
Drupal Drupal=6.26
Drupal Drupal=6.27
Drupal Drupal=6.28
Drupal Drupal=6.29
Drupal Drupal=6.30
Drupal Drupal=6.31
Drupal Drupal=6.32
Drupal Drupal=6.33
Drupal Drupal=6.34
Drupal Drupal=6.35
Drupal Drupal=6.36
Drupal Drupal=6.37
Debian Debian Linux=7.0
Debian Debian Linux=8.0
PHP PHP<=5.4.44
PHP PHP=5.5.0
PHP PHP=5.5.0-alpha1
PHP PHP=5.5.0-alpha2
PHP PHP=5.5.0-alpha3
PHP PHP=5.5.0-alpha4
PHP PHP=5.5.0-alpha5
PHP PHP=5.5.0-alpha6
PHP PHP=5.5.0-beta1
PHP PHP=5.5.0-beta2
PHP PHP=5.5.0-beta3
PHP PHP=5.5.0-beta4
PHP PHP=5.5.0-rc1
PHP PHP=5.5.0-rc2
PHP PHP=5.5.1
PHP PHP=5.5.2
PHP PHP=5.5.10
PHP PHP=5.5.11
PHP PHP=5.5.12
PHP PHP=5.5.13
PHP PHP=5.5.14
PHP PHP=5.5.18
PHP PHP=5.5.19
PHP PHP=5.5.20
PHP PHP=5.5.21
PHP PHP=5.5.22
PHP PHP=5.5.23
PHP PHP=5.5.24
PHP PHP=5.5.25
PHP PHP=5.5.26
PHP PHP=5.5.27
PHP PHP=5.5.28
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
Drupal Drupal=6.0
Drupal Drupal=6.0-beta1
Drupal Drupal=6.0-beta2
Drupal Drupal=6.0-beta3
Drupal Drupal=6.0-beta4
Drupal Drupal=6.0-dev
Drupal Drupal=6.0-rc1
Drupal Drupal=6.0-rc2
Drupal Drupal=6.0-rc3
Drupal Drupal=6.0-rc4
Drupal Drupal=6.1
Drupal Drupal=6.2
Drupal Drupal=6.3
Drupal Drupal=6.4
Drupal Drupal=6.5
Drupal Drupal=6.6
Drupal Drupal=6.7
Drupal Drupal=6.8
Drupal Drupal=6.9
Drupal Drupal=6.10
Drupal Drupal=6.11
Drupal Drupal=6.12
Drupal Drupal=6.13
Drupal Drupal=6.14
Drupal Drupal=6.15
Drupal Drupal=6.16
Drupal Drupal=6.17
Drupal Drupal=6.18
Drupal Drupal=6.19
Drupal Drupal=6.20
Drupal Drupal=6.21
Drupal Drupal=6.22
Drupal Drupal=6.23
Drupal Drupal=6.24
Drupal Drupal=6.25
Drupal Drupal=6.26
Drupal Drupal=6.27
Drupal Drupal=6.28
Drupal Drupal=6.29
Drupal Drupal=6.30
Drupal Drupal=6.31
Drupal Drupal=6.32
Drupal Drupal=6.33
Drupal Drupal=6.34
Drupal Drupal=6.35
Drupal Drupal=6.36
Drupal Drupal=6.37
composer/drupal/core>=8.0, <8.0.4
8.0.4
composer/drupal/drupal>=8.0, <8.0.4
8.0.4
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/drupal/drupalto a version that resolves this vulnerability.Fixed in 6.38 - Upgrade
Upgrade
composer/drupal/coreto a version that resolves this vulnerability.Fixed in 6.38 - Upgrade
Upgrade
composer/drupal/coreto a version that resolves this vulnerability.Fixed in 8.0.4 - Upgrade
Upgrade
composer/drupal/drupalto a version that resolves this vulnerability.Fixed in 8.0.4
Event History
Feb 15, 2016
Advisory Published
06:57 PM
Data Sourced
via Packagist·06:57 PM
DescriptionSeverityAffected Software
Apr 12, 2016
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2016-3171?
CVE-2016-3171 has been classified with Medium severity.
2
How do I fix CVE-2016-3171?
To fix CVE-2016-3171, upgrade to Drupal 6.38 or later.
3
What are the affected versions for CVE-2016-3171?
CVE-2016-3171 affects Drupal versions prior to 6.38 when used with certain versions of PHP.
4
Can CVE-2016-3171 lead to remote code execution?
Yes, CVE-2016-3171 allows remote attackers to execute arbitrary code through session data truncation.
5
Is my PHP version related to CVE-2016-3171?
Yes, CVE-2016-3171 is particularly relevant for environments running PHP versions earlier than 5.4.45, 5.5.29, or 5.6.13.