YACY Wiki.html script cross-site scripting

yacy-wiki-xss (18690)

Medium Risk

Description:

YACY is vulnerable to cross-site scripting, caused by improper validation in the Wiki.html script. A remote attacker could embed a malicious script in a URL request to the Wiki.html script, which would be executed in the victim's Web browser within the security context of the hosting site, once the link is clicked. An attacker could use this vulnerability to obtain a user's cookie-based authentication credentials.

*CVSS:

Base Score:	2.8
Access Vector:	Remote
Access Complexity:	High
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	2.4
Exploitability:	High
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of YACY (0.32 or later), available from the YACY Download Web page. See References.

References:

• BugTraq Mailing List, Fri Dec 24 2004 - 08:52:36 CST: XSS in yacy 0.31.
• YACY Download Web page: Download.
• BID-12104: YACY Peer-To-Peer Search Engine Multiple Cross-Site Scripting Vulnerabilities
• CVE-2004-2651: Multiple cross-site scripting (XSS) vulnerabilities in YaCy before 0.32 allow remote attackers to inject arbitrary web script or HTML via the (1) urlmaskfilter parameter to index.html or the (2) page parameter to Wiki.html.
• OSVDB ID: 12630: YACY Wiki.html page Variable XSS
• SECTRACK ID: 1012686: YACY Input Validation Hole Lets Remote Users Conduct Cross-Site Scripting Attacks

Platforms Affected:

• YaCy YaCy 0.31

Reported:

Dec 24, 2004

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For corrections or additions please email xforce@iss.net

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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