Vulnerability Description
An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2. It has been discovered that the classes QueryGenerator and QueryView are vulnerable to insecure deserialization. One exploitable scenario requires having the system extension ext:lowlevel (Backend Module: DB Check) installed, with a valid backend user who has administrator privileges. The other exploitable scenario requires having the system extension ext:sys_action installed, with a valid backend user who has limited privileges.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Typo3 | Typo3 | < 8.7.30 |
Related Weaknesses (CWE)
References
- https://review.typo3.org/q/%2522Resolves:+%252389005%2522+topic:securityVendor Advisory
- https://typo3.org/security/advisory/typo3-core-sa-2019-026/Vendor Advisory
- https://review.typo3.org/q/%2522Resolves:+%252389005%2522+topic:securityVendor Advisory
- https://typo3.org/security/advisory/typo3-core-sa-2019-026/Vendor Advisory
FAQ
What is CVE-2019-19849?
CVE-2019-19849 is a vulnerability with a CVSS score of 8.8 (HIGH). An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2. It has been discovered that the classes QueryGenerator and QueryView are vulnerable to insecure deserializati...
How severe is CVE-2019-19849?
CVE-2019-19849 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-19849?
Check the references section above for vendor advisories and patch information. Affected products include: Typo3 Typo3.