high8.8
CVE-2020-11067
Insecure Deserialization in Backend User Settings in TYPO3 CMS
Impact
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
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | typo3/cms-core | >= 9.0.0, < 9.5.17 | 9.5.17 |
| composer | typo3/cms | >= 10.0.0, < 10.4.2 | 10.4.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Typo3 | Typo3 | from 9.0.0 through 9.5.16 from 10.0.0 through 10.4.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2wj9-434x-9hvp
- https://github.com/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