When serving resources from a network location using the NTFS file system, Apache Tomcat versions 10.0.0-M1 to 10.0.0-M9, 9.0.0.M1 to 9.0.39, 8.5.0 to 8.5.59 and 7.0.0 to 7.0.106 were susceptible to JSP source code disclosure in some configurations. The root cause was the unexpected behaviour of the JRE API File.getCanonicalPath() which in turn was caused by the inconsistent behaviour of the Windows API (FindFirstFileW) in some circumstances.
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CVE-2021-24122 - Medium Severity Vulnerability
Vulnerable Library - tomcat-embed-core-8.5.57.jar
Core Tomcat implementation
Path to dependency file: api/pom.xml
Path to vulnerable library: /home/wss-scanner/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.5.57/tomcat-embed-core-8.5.57.jar
Dependency Hierarchy: - spring-boot-starter-web-1.5.22.RELEASE.jar (Root Library) - spring-boot-starter-tomcat-1.5.22.RELEASE.jar - :x: **tomcat-embed-core-8.5.57.jar** (Vulnerable Library)
Found in HEAD commit: 37b603a7212a01a6b2bb0dd83fcfc64834928d71
Found in base branch: master
Vulnerability Details
When serving resources from a network location using the NTFS file system, Apache Tomcat versions 10.0.0-M1 to 10.0.0-M9, 9.0.0.M1 to 9.0.39, 8.5.0 to 8.5.59 and 7.0.0 to 7.0.106 were susceptible to JSP source code disclosure in some configurations. The root cause was the unexpected behaviour of the JRE API File.getCanonicalPath() which in turn was caused by the inconsistent behaviour of the Windows API (FindFirstFileW) in some circumstances.
Publish Date: 2021-01-14
URL: CVE-2021-24122
CVSS 3 Score Details (5.9)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: None - Availability Impact: None
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24122
Release Date: 2021-01-14
Fix Resolution: org.apache.tomcat.embed:tomcat-embed-core:7.0.107,8.5.60,9.0.40,10.0.0-M10;org.apache.tomcat:tomcat-catalina:7.0.107,8.5.60,9.0.40,10.0.0-M10
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