TYPO3 < v9.5.38/10.4.33/11.5.20/12.1.1 S.I.D. via YAML Placeholders
CVE-2022-23504 Published on December 14, 2022
TYPO3 contains Sensitive Information Disclosure via YAML Placeholder Expressions in Site Configuration
TYPO3 is an open source PHP based web content management system. Versions prior to 9.5.38, 10.4.33, 11.5.20, and 12.1.1 are subject to Sensitive Information Disclosure. Due to the lack of handling user-submitted YAML placeholder expressions in the site configuration backend module, attackers could expose sensitive internal information, such as system configuration or HTTP request messages of other website visitors. A valid backend user account having administrator privileges is needed to exploit this vulnerability. This issue has been patched in versions 9.5.38 ELTS, 10.4.33, 11.5.20, 12.1.1.
Vulnerability Analysis
CVE-2022-23504 is exploitable with network access, requires user interaction and user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Types
What is an Information Disclosure Vulnerability?
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CVE-2022-23504 has been classified to as an Information Disclosure vulnerability or weakness.
What is an EL Injection Vulnerability?
The software constructs all or part of an expression language (EL) statement in a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.
CVE-2022-23504 has been classified to as an EL Injection vulnerability or weakness.
Products Associated with CVE-2022-23504
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Affected Versions
typo3:- Version >= 9.0.0, < 9.5.38 is affected.
- Version >= 10.0.0, < 10.4.33 is affected.
- Version >= 11.0.0, < 11.5.20 is affected.
- Version >= 12.0.0, < 12.1.1 is affected.
Vulnerable Packages
The following package name and versions may be associated with CVE-2022-23504
| Package Manager | Vulnerable Package | Versions | Fixed In |
|---|---|---|---|
| composer | typo3/cms-core | >= 9.0.0, < 9.5.38 | 9.5.38 |
| composer | typo3/cms-core | >= 10.0.0, < 10.4.33 | 10.4.33 |
| composer | typo3/cms-core | >= 11.0.0, < 11.5.20 | 11.5.20 |
| composer | typo3/cms-core | >= 12.0.0, < 12.1.1 | 12.1.1 |
| composer | typo3/cms | >= 10.0.0, < 10.4.33 | 10.4.33 |
| composer | typo3/cms | >= 11.0.0, < 11.5.20 | 11.5.20 |
| composer | typo3/cms | >= 12.0.0, < 12.1.1 | 12.1.1 |
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.