Vulnerability Description
ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | 7.0.0 |
Related Weaknesses (CWE)
References
- http://php.net/ChangeLog-7.phpRelease NotesVendor Advisory
- http://www.securityfocus.com/bid/100427Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1296
- https://access.redhat.com/errata/RHSA-2019:2519
- https://bugs.php.net/bug.php?id=74103Issue TrackingVendor Advisory
- https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4PatchThird Party Advisory
- https://security.gentoo.org/glsa/201709-21
- https://security.netapp.com/advisory/ntap-20180112-0001/
- https://www.debian.org/security/2018/dsa-4080
- http://php.net/ChangeLog-7.phpRelease NotesVendor Advisory
- http://www.securityfocus.com/bid/100427Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1296
- https://access.redhat.com/errata/RHSA-2019:2519
- https://bugs.php.net/bug.php?id=74103Issue TrackingVendor Advisory
- https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4PatchThird Party Advisory
FAQ
What is CVE-2017-12932?
CVE-2017-12932 is a vulnerability with a CVSS score of 9.8 (CRITICAL). ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for k...
How severe is CVE-2017-12932?
CVE-2017-12932 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-12932?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.