CVE-2017-12933
First published: Thu Jul 06 2017(Updated: )
Fixed bug (Heap buffer overread (READ: 1) finish_nested_data from unserialize). (CVE-2017-12933)
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PHP PHP | <=5.6.30 | |
| 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 | |
| PHP PHP | <7.0.21 | 7.0.21 |
| debian/php5 | ||
| debian/php7.0 | ||
| debian/php7.1 | ||
| redhat/php | <7.0.21 | 7.0.21 |
| redhat/php | <7.1.7 | 7.1.7 |
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Reference Links
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- http://www.securityfocus.com/bid/99490
- https://access.redhat.com/errata/RHSA-2018:1296
- https://bugs.php.net/bug.php?id=74111
- https://usn.ubuntu.com/3566-1/
- https://usn.ubuntu.com/3566-2/
- https://www.debian.org/security/2018/dsa-4080
- https://www.debian.org/security/2018/dsa-4081
- https://launchpad.net/bugs/cve/CVE-2017-12933
- https://www.php.net/ChangeLog-7.php#7.0.21 (Advisory)
- https://security-tracker.debian.org/tracker/CVE-2017-12933
- 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=1484838
- https://www.zdnet.com/article/wordpress-vulnerability-affects-a-third-of-most-popular-websites-online/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12933
- https://nvd.nist.gov/vuln/detail/CVE-2017-12933
- https://ubuntu.com/security/CVE-2017-12933
Frequently Asked Questions
What is CVE-2017-12933?
CVE-2017-12933 is a vulnerability in PHP that allows for a heap buffer over-read while unserializing untrusted data.
What is the severity of CVE-2017-12933?
CVE-2017-12933 has a severity rating of 9.8, which is classified as critical.
How does CVE-2017-12933 affect PHP?
CVE-2017-12933 can have an unspecified impact on the integrity of PHP.
Which versions of PHP are affected by CVE-2017-12933?
PHP versions before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 are affected by CVE-2017-12933.
How can I fix CVE-2017-12933?
To fix CVE-2017-12933, you should update to PHP version 5.6.31, 7.0.21, or 7.1.7 or later.
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