Path traversal attack on Windows platforms

Tapestry processes assets `/assets/ctx` using classes chain `StaticFilesFilter -> AssetDispatcher -> ContextResource`, which doesn't filter the character `\`, so attacker can perform a path traversal attack to read any files on Windows platform.

Vulnerability ID: GHSA-89r3-rcpj-h7w6
Aliases: CVE-2019-0207
Published: 2019-11-18 17:19:03
CWE: CWE-22
Severity rating: HIGH
CVSS: type: CVSS_V3
score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected packages:
package: ecosystem: Maven
name: org.apache.tapestry:tapestry-core