CVE-2016-7479
UnknownEPSS 41.67%
Last modified
CVE-2016-7479 is a vulnerability of currently unknown severity. In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution.. EPSS estimates a 41.67% chance of exploitation in the next 30 days.
Description
In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | 7.0.0 |
| Php | Php | 7.0.1 |
| Php | Php | 7.0.2 |
| Php | Php | 7.0.3 |
| Php | Php | 7.0.4 |
| Php | Php | 7.0.5 |
| Php | Php | 7.0.6 |
| Php | Php | 7.0.7 |
| Php | Php | 7.0.8 |
| Php | Php | 7.0.9 |
| Php | Php | 7.0.10 |
| Php | Php | 7.0.11 |
| Php | Php | 7.0.12 |
| Php | Php | 7.0.14 |
| Php | Php | 7.1.0 |
References
- http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdfExploit, Technical Description, Third Party Advisory
- http://www.securityfocus.com/bid/95151Third Party Advisory, VDB Entry
- https://bugs.php.net/bug.php?id=73092Issue Tracking, Permissions Required
- https://www.youtube.com/watch?v=LDcaPstAuPkTechnical Description
- http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdfExploit, Technical Description, Third Party Advisory
- http://www.securityfocus.com/bid/95151Third Party Advisory, VDB Entry
- https://bugs.php.net/bug.php?id=73092Issue Tracking, Permissions Required
- https://www.youtube.com/watch?v=LDcaPstAuPkTechnical Description
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-7479?
In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution.
How severe is CVE-2016-7479?
Severity scoring for CVE-2016-7479 is pending analysis. The EPSS model estimates a 41.67% probability of exploitation in the next 30 days.
How do I fix CVE-2016-7479?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2016-7479?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST