CVE-2017-12934: Use After Free
First published: Thu Jul 06 2017(Updated: )
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. Upstream bug: <a href="https://bugs.php.net/bug.php?id=74101">https://bugs.php.net/bug.php?id=74101</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| <7.0.21 | 7.0.21 | |
| 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 | =7.1.0 | |
| 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 | |
| redhat/php | <7.0.21 | 7.0.21 |
| redhat/php | <7.1.7 | 7.1.7 |
| debian/php7.0 | ||
| debian/php7.1 |
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Reference Links
- https://bugs.php.net/bug.php?id=74101
- https://security-tracker.debian.org/tracker/CVE-2017-12934
- http://php.net/ChangeLog-7.php
- http://www.securityfocus.com/bid/100428
- https://access.redhat.com/errata/RHSA-2018:1296
- https://www.debian.org/security/2018/dsa-4080
- https://www.php.net/ChangeLog-7.php#7.0.21 (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1484840
- http://php.net/manual/en/function.unserialize.php
- https://bugzilla.redhat.com/show_bug.cgi?id=1484839
- https://www.zdnet.com/article/wordpress-vulnerability-affects-a-third-of-most-popular-websites-online/
- collector/security-tracker-debian
- collector/nvd-index
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- agent/softwarecombine
- collector/php-changelog
- source/PHP
- agent/software-canonical-lookup
- agent/severity
- agent/author
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2017-12934
- agent/weakness
- agent/description
- collector/zdnet-article
- source/ZDNet
- alias/CVE-2017-12933
- agent/references
- agent/tags
- agent/event
- collector/mitre-cve
- source/MITRE
- package-manager/debian
- vendor/php
- canonical/php php
- version/php php/7.0.0
- version/php php/7.0.1
- version/php php/7.0.2
- version/php php/7.0.3
- version/php php/7.0.4
- version/php php/7.0.5
- version/php php/7.0.6
- version/php php/7.0.7
- version/php php/7.0.8
- version/php php/7.0.9
- version/php php/7.0.10
- version/php php/7.0.11
- version/php php/7.0.12
- version/php php/7.0.13
- version/php php/7.0.14
- version/php php/7.0.15
- version/php php/7.0.16
- version/php php/7.0.17
- version/php php/7.0.18
- version/php php/7.0.19
- version/php php/7.0.20
- version/php php/7.1.0
- version/php php/7.1.1
- version/php php/7.1.2
- version/php php/7.1.3
- version/php php/7.1.4
- version/php php/7.1.5
- version/php php/7.1.6
- package-manager/redhat