Novell Remote Manager for SUSE Linux Content-Length Heap Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID: 1015487|
SecurityTracker URL: http://securitytracker.com/id/1015487
(Links to External Site)
Date: Jan 13 2006
Execution of arbitrary code via network, User access via network|
Fix Available: Yes Vendor Confirmed: Yes |
iDEFENSE reported a vulnerability in Novell Remote Manager for SUSE Linux. A remote user can execute arbitrary code on the target system.|
A remote user can supply an HTTP POST request with a specially crafted negative Content-Length parameter to trigger a heap overflow and execute arbitrary code.
A demonstration exploit request is of the following form:
POST / HTTP/1.0
The vendor was notified on November 15, 2005.
The original advisory is available at:
A remote user can execute arbitrary code on the target system.|
The vendor has issued a fix.|
The vendor's advisory is available at:
[Editor's note: The URL was not yet active at the time of this entry.]
Vendor URL: www.novell.com/linux/security/advisories/2006_02_novellnrm.html (Links to External Site)
|Underlying OS: Linux (SuSE)|
Source Message Contents
Subject: iDefense Security Advisory 01.13.06: Novell SUSE Linux Enterprise|
Novell SUSE Linux Enterprise Server Remote Manager Heap Overflow
iDefense Security Advisory 01.13.06
January 13, 2006
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
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
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.
VI. VENDOR RESPONSE
Novell has released the following advisories to address this issue:
SUSE has released the following advisories to address this issue:
VII. CVE INFORMATION
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 (http://cve.mitre.org), which standardizes names for
VIII. DISCLOSURE TIMELINE
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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