SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2015-0231

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…

HIGH 7.5EPSS 42.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 42.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
42.59% probability · 99th percentile
CISA KEV
Not listed
Affected
php/php
Source
secalert@redhat.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.