Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-2787

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
30/03/2015
Last modified:
12/04/2025

Description

Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* 5.4.38 (including)
cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha5:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha6:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:beta1:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:beta2:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:beta3:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:beta4:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:rc2:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools