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| A vulnerability allows remote attackers to proxy web attacks and scan internal hosts through vulnerable installations of Verity Ultraseek. Authentication is not required to exploit this vulnerability. |
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Credit:
The information has been provided by TippingPoint Zero Day Initiative (ZDI).
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-06-042.html
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The specific flaw exists within the highlight script used to highlight search terms on spidered pages. An attacker can directly access the highlight script at '/highlight/index.html' to pass parameters to and retrieve content from arbitrary URLs. The same script can also be abused to enumerate otherwise inaccessible internal addresses and open ports.
Ultraseek also exposes various information disclosure vulnerabilities through the following scripts:
/help/urlstatusgo.html
/help/header.html
/help/footer.html
/spell.html
/coreforma.html
/daterange.html
/hits.html
/hitsnavbottom.html
/indexform.html
/indexforma.html
/languages.html
/nohits.html
/onehit1.html
/onehit2.html
/query.html
/queryform0.html
/queryform0a.html
/queryform1.html
/queryform1a.html
/queryform2.html
/queryform2a.html
/quicklinks.html
/relatedtopics.html
/signin.html
/subtopics.html
/thesaurus.html
/topics.html
/hitspagebar.html
/highlight/highlight.html
/highlight/highlight_one.html
/highlight/topnav.html
Authenticated Ultraseek users can further abuse another vulnerability to retrieve arbitrary file contents from the underlying server through the '/admin/logfile.txt' script.
Vendor Response:
Verity has issued an update to correct this vulnerability. More details can be found at: http://www.ultraseek.com/support/docs/RELNOTES.txt
Disclosure Timeline:
2006.04.03 - Digital Vaccine released to TippingPoint customers
2006.05.09 - Vulnerability reported to vendor
2006.11.15 - Coordinated public release of advisory
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