CVE-2017-12932
Last modified
CVE-2017-12932 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 7.42% chance of exploitation in the next 30 days.
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.
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 | 7.0.13 |
| Php | Php | 7.0.14 |
| Php | Php | 7.0.15 |
| Php | Php | 7.0.16 |
| Php | Php | 7.0.17 |
| Php | Php | 7.0.18 |
| Php | Php | 7.0.19 |
| Php | Php | 7.0.20 |
| Php | Php | 7.0.21 |
| Php | Php | 7.0.22 |
| Php | Php | 7.1.0 |
| Php | Php | 7.1.1 |
| Php | Php | 7.1.2 |
| Php | Php | 7.1.3 |
| Php | Php | 7.1.4 |
| Php | Php | 7.1.5 |
| Php | Php | 7.1.6 |
| Php | Php | 7.1.7 |
| Php | Php | 7.1.8 |
References
- http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
- http://www.securityfocus.com/bid/100427Third Party Advisory, VDB Entry
- https://bugs.php.net/bug.php?id=74103Issue Tracking, Vendor Advisory
- https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4Patch, Third Party Advisory
- http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
- http://www.securityfocus.com/bid/100427Third Party Advisory, VDB Entry
- https://bugs.php.net/bug.php?id=74103Issue Tracking, Vendor Advisory
- https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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