Cleartext storage of session identifier
### Problem User session identifiers were stored in cleartext - without processing of additional cryptographic hashing algorithms. This vulnerability cannot be exploited directly and occurs in combination with a chained attack - like for instance SQL injection in any other component of the system. ### Solution Update to TYPO3 versions 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 that fix the problem described. ### Credits Thanks to TYPO3 security team member Oliver Hader who reported this issue and to TYPO3 core & security team members Benni Mack & Oliver Hader who fixed the issue. ### References * [TYPO3-CORE-SA-2021-006](https://typo3.org/security/advisory/typo3-core-sa-2021-006)
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-21339US | high7.5OT elevated | — | ||
TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 user session identifiers were stored in cl… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-21339.yamlWEB
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-21339.yamlWEB
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-qx3w-4864-94chWEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-21339ADVISORY
- https://packagist.org/packages/typo3/cms-coreWEB
- https://typo3.org/security/advisory/typo3-core-sa-2021-006WEB
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan