Public Vulnerability Reports

Novell SUSE Linux Enterprise Server Remote Manager Heap Overflow



Novell SUSE Linux Enterprise Server is a platform for open source
computing in an enterprise environment.


Remote exploitation of a heap overflow vulnerability in Novell Inc.'s
Open Enterprise Server Remote Manager allows attackers to execute
arbitrary code.


The vulnerability specifically exists due to improper handling of a an
HTTP POST request with a negative Content-Length paramater. When such a
request is received, controllable heap corruption occurs which can lead
to the execution of arbitrary code using traditional Linux heap overflow
methods. The following HTTP request can be used to trigger this

  POST / HTTP/1.0
  Content-Length: -900


iDefense Labs testing has determined that with careful manipulation of
the string, an arbitrary 4 byte write may be achieved which can be used
to gain execution control.


iDefense has confirmed this vulnerability in Novell SUSE Linux
Enterprise Server 9. All previous versions are suspected vulnerable.
Novell SUSE Linux Enterprise Server components are included in Novell
Open Enterprise Server; as such, Open Enterprise Server is also


iDefense is currently unaware of any workarounds for this issue.


Novell has released the following advisories to address this issue:

SUSE has released the following advisories to address this issue:


The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2005-3655 to this issue. This is a candidate for inclusion in
the CVE list (, which standardizes names for
security problems.


11/15/2005   Initial vendor notification
11/15/2005   Initial vendor response
01/13/2006   Coordinated public disclosure


The discoverer of this vulnerability wishes to remain anonymous.

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Copyright © 2006 Verisign, Inc.

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