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Vulnerability of Novell Open Enterprise Server: buffer overflow via iPrint

Synthesis of the vulnerability

A remote attacker can generate a buffer overflow in Novell iPrint Server, in order to execute code.
Severity of this computer vulnerability: 3/4.
Creation date: 02/02/2012.
Références of this announce: 7010084, BID-51791, CVE-2011-4194, VIGILANCE-VUL-11338, ZDI-12-031.

Description of the vulnerability

The IPP (Internet Printing Protocol) protocol is used to remotely manage printers.

The IPP Print-Job and Create-Job operations print a file, or create a print job. A Print-Job or Create-Job query can have attributes:
 - attributes-charset
 - attributes-natural-language
 - printer-uri
 - etc.

However, if an IPP query uses a long "attributes-natural-language" attribute, an overflow occurs in Novell iPrint Server.

A remote attacker can therefore generate a buffer overflow in Novell iPrint Server, in order to execute code.
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This security threat impacts software or systems such as OES.

Our Vigil@nce team determined that the severity of this computer weakness note is important.

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this computer threat alert.

Solutions for this threat

Novell Open Enterprise Server: patch for iPrint.
Patch 7885 is available:
  x86_64: http://download.novell.com/Download?buildid=yIR7hdR-ywY~
  x86: http://download.novell.com/Download?buildid=sr-Gtey7LG0~
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