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CVE ID: | CVE-2023-23934 |
Description: | Werkzeug is a comprehensive WSGI web application library. Browsers may allow "nameless" cookies that look like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser, the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in Werkzeug 2.2.3. |
Test IDs: | 1.3.6.1.4.1.25623.1.0.893346 1.3.6.1.4.1.25623.1.1.1.1.2023.5470 |
Cross References: |
Common Vulnerability Exposure (CVE) ID: CVE-2023-23934 Debian Security Information: DSA-5470 (Google Search) https://www.debian.org/security/2023/dsa-5470 https://github.com/pallets/werkzeug/commit/cf275f42acad1b5950c50ffe8ef58fe62cdce028 https://github.com/pallets/werkzeug/commit/cf275f42acad1b5950c50ffe8ef58fe62cdce028 https://github.com/pallets/werkzeug/releases/tag/2.2.3 https://github.com/pallets/werkzeug/releases/tag/2.2.3 https://github.com/pallets/werkzeug/security/advisories/GHSA-px8h-6qxv-m22q https://github.com/pallets/werkzeug/security/advisories/GHSA-px8h-6qxv-m22q |