VAR-200805-0357

Vulnerability from variot - Updated: 2023-12-18 13:20

Cross-site scripting (XSS) vulnerability in ZyXEL ZyWALL 100 allows remote attackers to inject arbitrary web script or HTML via the Referer header, which is not properly handled in a 404 Error page. ZyWALL 100 is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may let the attacker steal cookie-based authentication credentials and launch other attacks. ----------------------------------------------------------------------

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TITLE: ZyXEL ZyWALL 100 "Referer" Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID: SA30142

VERIFY ADVISORY: http://secunia.com/advisories/30142/

CRITICAL: Less critical

IMPACT: Cross Site Scripting

WHERE:

From remote

OPERATING SYSTEM: ZyXEL ZyWALL Series http://secunia.com/product/147/

DESCRIPTION: Deniz Cevik has reported a vulnerability in ZyXEL ZyWALL 100, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed via the "Referer" HTTP header to the web management interface is not properly sanitised before being returned to the user.

SOLUTION: Do not browse untrusted websites or follow untrusted links while being logged in to the web management interface.

PROVIDED AND/OR DISCOVERED BY: Deniz Cevik

ORIGINAL ADVISORY: http://lists.grok.org.uk/pipermail/full-disclosure/2008-May/062152.html


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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Tags
Taxonomy of the tags.


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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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Detection rules are retrieved from Rulezet.

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