GitHub Advisory DatabaseGHSA-52QP-JPQ7-6C54Insecure Deserialization of untrusted data in rmccue/requests
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
82.3%
Impact
Unserialization of untrusted data.
Patches
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
Publications about the vulnerability:
- https://dannewitz.ninja/posts/php-unserialize-object-injection-yet-another-stars-rating-wordpress
- https://github.com/ambionics/phpggc/issues/52
- https://blog.detectify.com/2019/07/23/improving-wordpress-plugin-security/
- https://i.blackhat.com/us-18/Thu-August-9/us-18-Thomas-Its-A-PHP-Unserialization-Vulnerability-Jim-But-Not-As-We-Know-It.pdf
- https://cdn2.hubspot.net/hubfs/3853213/us-18-Thomas-It's-A-PHP-Unserialization-Vulnerability-Jim-But-Not-As-We-....pdf
- https://2018.zeronights.ru/wp-content/uploads/materials/9 ZN2018 WV - PHP unserialize.pdf
- https://medium.com/@knownsec404team/extend-the-attack-surface-of-php-deserialization-vulnerability-via-phar-d6455c6a1066#3c0f
Originally fixed in WordPress 5.5.2:
- https://github.com/WordPress/wordpress-develop/commit/add6bedf3a53b647d0ebda2970057912d3cd79d3
- https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/
Related Security Advisories:
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-28032
- https://nvd.nist.gov/vuln/detail/CVE-2020-28032
Notification to the Requests repo including a fix in:
For more information
If you have any questions or comments about this advisory:
- Open an issue in Request
Affected configurations
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/advisories/GHSA-52qp-jpq7-6c54
github.com/ambionics/phpggc/issues/52
github.com/FriendsOfPHP/security-advisories/blob/master/rmccue/requests/CVE-2021-29476.yaml
github.com/rmccue/Requests/pull/421
github.com/WordPress/Requests/security/advisories/GHSA-52qp-jpq7-6c54
github.com/WordPress/wordpress-develop/commit/add6bedf3a53b647d0ebda2970057912d3cd79d3
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#3c0f
nvd.nist.gov/vuln/detail/CVE-2021-29476
wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
82.3%