Vulnerability Description
ext/standard/var_unserializer.re in PHP 7.0.x before 7.0.21 and 7.1.x before 7.1.7 is prone to a heap use after free while unserializing untrusted data, related to the zval_get_type function in Zend/zend_types.h. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | 7.0.0 |
Related Weaknesses (CWE)
References
- http://php.net/ChangeLog-7.phpVendor Advisory
- http://www.securityfocus.com/bid/100428Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1296
- https://bugs.php.net/bug.php?id=74101Issue TrackingThird Party Advisory
- https://www.debian.org/security/2018/dsa-4080
- http://php.net/ChangeLog-7.phpVendor Advisory
- http://www.securityfocus.com/bid/100428Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1296
- https://bugs.php.net/bug.php?id=74101Issue TrackingThird Party Advisory
- https://www.debian.org/security/2018/dsa-4080
FAQ
What is CVE-2017-12934?
CVE-2017-12934 is a vulnerability with a CVSS score of 7.5 (HIGH). ext/standard/var_unserializer.re in PHP 7.0.x before 7.0.21 and 7.1.x before 7.1.7 is prone to a heap use after free while unserializing untrusted data, related to the zval_get_type function in Zend/z...
How severe is CVE-2017-12934?
CVE-2017-12934 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-12934?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.