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AUSCERT External Security Bulletin Redistribution
OES11 SP2 - The 'nwrights' utility also grants the 'S' right
when the 'F' right is set - CVE-2014-0595.
30 April 2014
AusCERT Security Bulletin Summary
Product: Novell Open Enterprise Server 11 (OES 11) Linux Support Pack 2
Novell Client for Linux
Operating System: SUSE
Impact/Access: Increased Privileges -- Existing Account
CVE Names: CVE-2014-0595
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OES11 SP2 - The 'nwrights' utility also grants the 'S' right when the 'F'
right is set - CVE-2014-0595.
Novell Open Enterprise Server
This document (7014932) is provided subject to the disclaimer at the end of
Novell Open Enterprise Server 11 (OES 11) Linux Support Pack 2
Novell Client for Linux
The 'nwrights' cli utility can be found under '/opt/novell/ncl/bin', and is a
part of the Novell Client for Linux.
When a user is granted File system rights ('F'), using this 'nwrights' utility
from OES11 SP2 shipping code, that particular user also automatically receives
the Supervisor right ('S') on that particular file.
When using 'nwrights' to set any other rights such as Read/Write ('RW'), this
is all still working as is expected, and the problem behavior where rights are
being elevated is not observed.
The solution to this issue has been released as hot patch: "April 2014
OES11SP2 Hot Patch for NCL"
An out-of-bound problem caused a bit to always be set outside off the array
access, causing this particular behavior when File system rights were set.
This security vulnerability has been categorized as CVE-2014-0595.
The problem exists with the Novell Client for Linux (novell-qtgui,
novell-qtgui-cli, novell-ui-base) from OES11 SP2 only, and does not exist with
the Novell Client for Linux as shipped with SUSE Linux Enterprise Desktop 11
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information, ideas and learn from one another. Materials are provided for
informational, personal or non-commercial use within your organization and are
presented "AS IS" WITHOUT WARRANTY OF ANY KIND.
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