VAR-200708-0020
Vulnerability from variot - Updated: 2025-04-10 23:13Cross-site scripting (XSS) vulnerability in Forms/General_1 in the management interface in ZyNOS firmware 3.62(WK.6) on the Zyxel Zywall 2 device allows remote authenticated administrators to inject arbitrary web script or HTML via the sysSystemName parameter. Zywall 2 is prone to a cross-site scripting vulnerability.
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TITLE: ZyXEL ZyWALL / ZyNOS Cross-Site Request Forgery
SECUNIA ADVISORY ID: SA26381
VERIFY ADVISORY: http://secunia.com/advisories/26381/
CRITICAL: Less critical
IMPACT: Cross Site Scripting
WHERE:
From remote
OPERATING SYSTEM: ZyXEL ZyWALL Series http://secunia.com/product/147/ ZyXEL ZyNOS 3.x http://secunia.com/product/149/
DESCRIPTION: Henri Lindberg has reported a vulnerability in ZyXEL ZyWALL / ZyNOS, which can be exploited by malicious people to conduct cross-site request forgery attacks.
The application allows users to perform certain actions via HTTP requests without performing any validity checks to verify the request. This can be exploited to perform certain actions when a logged in administrator is tricked into visiting a malicious website.
NOTE: Reportedly, this can further be exploited to conduct script insertion attacks.
The vulnerabilities are reported in Zyxell ZyWALL 2 and in ZyNOS firmware version V3.62(WK.6). Other versions may also be affected.
SOLUTION: Do not browser untrusted sites while being logged in to the administrative section of the device.
PROVIDED AND/OR DISCOVERED BY: Henri Lindberg of Louhi Networks.
ORIGINAL ADVISORY: http://www.louhi.fi/advisory/zyxel_070810.txt
About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.
Subscribe: http://secunia.com/secunia_security_advisories/
Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/
Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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