ZDI-11-087: Novell iPrint LPD Remote Code Execution Vulnerability

ZDI-11-087: Novell iPrint LPD Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-087

February 16, 2011

– CVE ID:
CVE-2010-4328

– CVSS:
9, (AV:N/AC:L/Au:N/C:P/I:P/A:C)

– Affected Vendors:
Novell

– Affected Products:
Novell iPrint

– TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 8562.
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 iPrint Server. Authentication is not
required to exploit this vulnerability.

The flaw exists within the '/opt/novell/iprint/bin/ipsmd' component this
component communicates with 'ilprsrvd' which listens on TCP port 515.
When handling multiple LPR opcodes the process blindly copies user
supplied data into a fixed-length buffer on the stack. A remote attacker
can exploit this vulnerability to execute arbitrary code under the
context of the iprint user.

– Vendor Response:
Novell states:
http://download.novell.com/Download?buildid=KloKR_CmrBs~
The problem is documented in Novell TID 7007858.

– Disclosure Timeline:
2010-12-01 - Vulnerability reported to vendor
2011-02-16 - Coordinated public release of advisory

– Credit:
This vulnerability was discovered by:
* Francis Provencher for Protek Research Lab's

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