CVE-2021-29476: Deserialization of Untrusted Data
Requests is a HTTP library written in PHP. Requests mishandles deserialization in FilteredIterator. The issue has been patched and users of Requests 1.6.0, 1.6.1 and 1.7.0 should update to version 1.8.0.
References
- 2018.zeronights.ru/wp-content/uploads/materials/9%20ZN2018%20WV%20-%20PHP%20unserialize.pdf
- blog.detectify.com/2019/07/23/improving-wordpress-plugin-security/
- cdn2.hubspot.net/hubfs/3853213/us-18-Thomas-It%27s-A-PHP-Unserialization-Vulnerability-Jim-But-Not-As-We-....pdf
- dannewitz.ninja/posts/php-unserialize-object-injection-yet-another-stars-rating-wordpress
- github.com/FriendsOfPHP/security-advisories/blob/master/rmccue/requests/CVE-2021-29476.yaml
- github.com/WordPress/Requests/security/advisories/GHSA-52qp-jpq7-6c54
- github.com/WordPress/wordpress-develop/commit/add6bedf3a53b647d0ebda2970057912d3cd79d3
- github.com/advisories/GHSA-52qp-jpq7-6c54
- github.com/ambionics/phpggc/issues/52
- github.com/rmccue/Requests/pull/421
- i.blackhat.com/us-18/Thu-August-9/us-18-Thomas-Its-A-PHP-Unserialization-Vulnerability-Jim-But-Not-As-We-Know-It.pdf
- medium.com/@knownsec404team/extend-the-attack-surface-of-php-deserialization-vulnerability-via-phar-d6455c6a1066
- nvd.nist.gov/vuln/detail/CVE-2021-29476
- wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/
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