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PHP < 7.0.12 RCE / DoS Vulnerability - Linux
Information
Severity
Severity
High
Family
Family
Web application abuses
CVSSv2 Base
CVSSv2 Base
7.5
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
2 years ago
Modified
Modified
2 years ago
Summary
PHP is prone to a remote code execution (RCE) or denial of service (DoS) vulnerability.
Insight
Insight
The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c does not verify that a key is an object, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access) via crafted serialized data.
Affected Software
Affected Software
PHP versions prior to 7.0.12.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 7.0.12 or later.