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Date: Fri, 1 Oct 2010 15:12:52 -0500
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "Full Disclosure (full-disclosure@...ts.grok.org.uk)"
<full-disclosure@...ts.grok.org.uk>, "Bugtraq (bugtraq@...urityfocus.com)"
<bugtraq@...urityfocus.com>
Subject: ZDI-10-190: Novell iManager
getMultiPartParameters Arbitrary File Upload Remote Code Execution
Vulnerability
ZDI-10-190: Novell iManager getMultiPartParameters Arbitrary File Upload Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-190
October 1, 2010
-- CVSS:
10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)
-- Affected Vendors:
Novell
-- Affected Products:
Novell iManager
-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 10293.
For further product information on the TippingPoint IPS, visit:
http://www.tippingpoint.com
-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Novell iManager. Authentication is not
required to exploit this vulnerability.
The specific flaw exists within the nps.jar web application exposed via
the Tomcat server running by default on TCP ports 8080 and 8443. The
com.novell.nps.serviceProviders.PortalModuleInstallManager servlet
exposes a function called getMultiPartParameters which parses POST
variables from a multipart form request. The getEntry function that the
above uses can be made to write an arbitrary file to disk. An attacker
can abuse this to place a malicious JSP document in a web-accessible
location. By uploading a malicious script, this can be leveraged to
execute remote code under the context of the Tomcat process.
-- Vendor Response:
Novell has issued an update to correct this vulnerability. More
details can be found at:
http://www.novell.com/support/viewContent.do?externalId=7006515&sliceId=2
-- Disclosure Timeline:
2010-07-20 - Vulnerability reported to vendor
2010-10-01 - Coordinated public release of advisory
-- Credit:
This vulnerability was discovered by:
* Stephen Fewer of Harmony Security (www.harmonysecurity.com)
-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.
Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:
http://www.zerodayinitiative.com
The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.
Our vulnerability disclosure policy is available online at:
http://www.zerodayinitiative.com/advisories/disclosure_policy/
Follow the ZDI on Twitter:
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