CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
94.6%
The session deserializer in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 mishandles multiple php_var_unserialize calls, which allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content.
Vendor | Product | Version | CPE |
---|---|---|---|
php | php | 5.6.0 | cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:* |
php | php | 5.6.0 | cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:* |
php | php | 5.6.0 | cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:* |
php | php | 5.6.0 | cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:* |
php | php | 5.6.0 | cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:* |
php | php | 5.6.0 | cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:* |
php | php | 5.6.0 | cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:* |
php | php | 5.6.0 | cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:* |
php | php | 5.6.0 | cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:* |
php | php | 5.6.1 | cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:* |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
94.6%