spring-boot-starter-thymeleaf-2.7.1.jar: 1 vulnerabilities (highest severity is: 7.7) reachable

[mend-for-github-com[bot]]

Vulnerable Library - spring-boot-starter-thymeleaf-2.7.1.jar

Path to dependency file: /pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/thymeleaf/thymeleaf/3.0.15.RELEASE/thymeleaf-3.0.15.RELEASE.jar

Vulnerabilities

CVE	Severity	CVSS	Exploit Maturity	EPSS	Dependency	Type	Fixed in (spring-boot-starter-thymeleaf version)	Remediation Possible**	Reachability
CVE-2023-38286	High	7.7	Not Defined	0.1%	thymeleaf-3.0.15.RELEASE.jar	Transitive	N/A*	❌	Reachable

*For some transitive vulnerabilities, there is no version of direct dependency with a fix. Check the "Details" section below to see if there is a version of transitive dependency where vulnerability is fixed.

**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation

Details

CVE-2023-38286

### Vulnerable Library - thymeleaf-3.0.15.RELEASE.jar

Modern server-side Java template engine for both web and standalone environments

Library home page: http://www.thymeleaf.org

Path to dependency file: /pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/thymeleaf/thymeleaf/3.0.15.RELEASE/thymeleaf-3.0.15.RELEASE.jar

Dependency Hierarchy: - spring-boot-starter-thymeleaf-2.7.1.jar (Root Library) - thymeleaf-spring5-3.0.15.RELEASE.jar - :x: **thymeleaf-3.0.15.RELEASE.jar** (Vulnerable Library)

Found in base branches: main, log4j

### Reachability Analysis This vulnerability is potentially reachable ``` org.owasp.webgoat.container.LessonTemplateResolver (Application) -> org.thymeleaf.IEngineConfiguration (Extension) -> org.thymeleaf.engine.TemplateManager (Extension) -> org.thymeleaf.engine.ProcessorTemplateHandler (Extension) -> org.thymeleaf.engine.TemplateModelController (Extension) -> org.thymeleaf.engine.IteratedGatheringModelProcessable (Extension) -> ❌ org.thymeleaf.engine.IteratedGatheringModelProcessable$IterationWhiteSpaceHandling (Vulnerable Component) ```

### Vulnerability Details

Thymeleaf through 3.1.1.RELEASE, as used in spring-boot-admin (aka Spring Boot Admin) through 3.1.1 and other products, allows sandbox bypass via crafted HTML. This may be relevant for SSTI (Server Side Template Injection) and code execution in spring-boot-admin if MailNotifier is enabled and there is write access to environment variables via the UI.

Publish Date: 2023-07-14

URL: CVE-2023-38286

### Threat Assessment

Exploit Maturity: Not Defined

EPSS: 0.1%

### CVSS 4 Score Details (7.7)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - Privileges Required: Low - User Interaction: None - Scope: N/A - Impact Metrics: - Confidentiality Impact: N/A - Integrity Impact: N/A - Availability Impact: N/A

For more information on CVSS4 Scores, click here.

### Suggested Fix

Type: Upgrade version

Origin: https://github.com/advisories/GHSA-7gj7-224w-vpr3

Release Date: 2023-07-14

Fix Resolution: de.codecentric:spring-boot-admin-server:3.1.2;rg.thymeleaf:thymeleaf:3.1.2.RELEASE