Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate numerical keys within the serialized properties of an object. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8142.
Published 2015-01-27 20:03:41
Updated 2016-12-31 02:59:16
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute code

Threat overview for CVE-2015-0231

Top countries where our scanners detected CVE-2015-0231
Top open port discovered on systems with this issue 80
IPs affected by CVE-2015-0231 297,323
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2015-0231!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2015-0231

Probability of exploitation activity in the next 30 days: 72.12%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 98 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2015-0231

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST

References for CVE-2015-0231

Products affected by CVE-2015-0231

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