GHSA-2wj9-434x-9hvp
Insecure Deserialization in Backend User Settings in TYPO3 CMS
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Packagist | typo3/cms-core | >= 9.0.0, < 9.5.17 | 9.5.17 |
| Packagist | typo3/cms-core | >= 10.0.0, < 10.4.2 | 10.4.2 |
| Packagist | typo3/cms | >= 10.0.0, < 10.4.2 | 10.4.2 |
| Packagist | typo3/cms | >= 9.0.0, < 9.5.17 | 9.5.17 |
Details
As written in the advisory (Markdown source, shown as plain text).
It has been discovered that backend user settings (in $BE_USER->uc) are vulnerable to insecure deserialization. In combination with vulnerabilities of 3rd party components this can lead to remote code execution. A valid backend user account is needed to exploit this vulnerability.
Update to TYPO3 versions 9.5.17 or 10.4.2 that fix the problem described.
### References
* https://typo3.org/security/advisory/typo3-core-sa-2020-005
References
External links from the advisory. They lead to third-party sites.
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2wj9-434x-9hvp
- https://nvd.nist.gov/vuln/detail/CVE-2020-11067
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2020-11067.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2020-11067.yaml
- https://typo3.org/security/advisory/typo3-core-sa-2020-005