CVE Catalog

CVE-2014-3669

High
Published: Translated: NVD NIST

Summary

Integer overflow in the object_custom function in var_unserializer.c in PHP before 5.4.34, 5.5.x before 5.5.18, and 5.6.x before 5.6.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an argument to the unserialize function that triggers calculation of a large length value.

Risk Assessment

This vulnerability can lead to application crashes, affecting service availability. There is also a risk of arbitrary code execution, which can result in serious security breaches.

Recommendation

It is recommended to update PHP to the latest version to mitigate this vulnerability. Additionally, applications should be monitored for unauthorized activities.

Related vulnerabilities

Original NVD description (English source)

Integer overflow in the object_custom function in ext/standard/var_unserializer.c in PHP before 5.4.34, 5.5.x before 5.5.18, and 5.6.x before 5.6.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an argument to the unserialize function that triggers calculation of a large length value.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS