CVE-2024-23643: GeoServer Stored Cross-Site Scripting (XSS) vulnerability in GWC Seed Form
First published: Wed Mar 20 2024(Updated: )
### Summary A stored cross-site scripting (XSS) vulnerability exists that enables an authenticated administrator with workspace-level privileges to store a JavaScript payload in the GeoServer catalog that will execute in the context of another administrator’s browser when viewed in the GWC Seed Form. Access to the GWC Seed Form is limited to full administrators by default and granting non-administrators access to this endpoint is not recommended. ### Details _Give all details on the vulnerability. Pointing to the incriminated source code is very helpful for the maintainer._ ### PoC _Complete instructions, including specific configuration details, to reproduce the vulnerability._ ### Impact If an attacker can control a script that is executed in the victim's browser, then they can typically fully compromise that user. Amongst other things, the attacker can: 1 .Perform any action within the application that the user can perform. 2. View any information that the user is able to view. 3. Modify any information that the user is able to modify. 4. Initiate interactions with other application users, including malicious attacks, that will appear to originate from the initial victim user. ### References https://github.com/GeoWebCache/geowebcache/issues/1172 https://github.com/GeoWebCache/geowebcache/pull/1174
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.geoserver:gs-gwc-rest | >=2.24.0<2.24.1 | 2.24.1 |
| maven/org.geoserver:gs-gwc-rest | <2.23.2 | 2.23.2 |
| OSGeo GeoServer | <2.23.2 | |
| OSGeo GeoServer | =2.24.0 |
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Reference Links
- https://github.com/geoserver/geoserver/security/advisories/GHSA-56r3-f536-5gf7
- https://github.com/GeoWebCache/geowebcache/issues/1172
- https://github.com/GeoWebCache/geowebcache/pull/1174
- https://github.com/GeoWebCache/geowebcache/commit/9d010e09c784690ada8af43f594461a2553a62f0
- https://github.com/GeoWebCache/geowebcache/commit/c0ca08a20bc0e66dafbdb083f7508b372c0703ee
- https://nvd.nist.gov/vuln/detail/CVE-2024-23643
- https://github.com/advisories/GHSA-56r3-f536-5gf7 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-23643?
CVE-2024-23643 is classified as a stored cross-site scripting (XSS) vulnerability.
How do I fix CVE-2024-23643?
To fix CVE-2024-23643, upgrade GeoServer to version 2.24.1 or later, or to version 2.23.2 if you are on an earlier version.
Which applications are affected by CVE-2024-23643?
CVE-2024-23643 affects GeoServer versions up to 2.23.2 and 2.24.0.
What type of attack does CVE-2024-23643 enable?
CVE-2024-23643 enables an attacker to execute JavaScript payloads in the context of another user's browser.
Who is at risk from CVE-2024-23643?
Authenticated administrators with workspace-level privileges are at risk from CVE-2024-23643.
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