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SCOSA-2005.8.txt

SCOSA-2005.8.txt
Posted Jan 29, 2005
Site sco.com

SCO Security Advisory - A vulnerability has been reported in UnixWare, which potentially can be exploited by malicious, local users to hijack local sockets.

tags | advisory, local
systems | unixware
SHA-256 | 31041ff5b45862c00e151b4e8be11d37a1e651ff64039f9ef1d718e496f98f69

SCOSA-2005.8.txt

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______________________________________________________________________________

SCO Security Advisory

Subject: UnixWare 7.1.4 UnixWare 7.1.3 UnixWare 7.1.1 : x.org possible local socket hijacking
Advisory number: SCOSA-2005.8
Issue date: 2005 January 26
Cross reference: sr891412 fz530161 erg712694 CAN-2005-0134
______________________________________________________________________________


1. Problem Description

The socket directories created in /tmp are now required to
be owned by root and have their sticky-bit set. If the
permission is not set properly, the component will try to
set it properly. If it is unable to do that, it will generate
error/warning message(s), but the component will not fail.
(a.k.a. fail softly)

The owner and permissions of these directories are tried
to be set correctly even if X servers are started by regular
users; it generates error message if it fails in doing so.

The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CAN-2005-0134 to this issue.


2. Vulnerable Supported Versions

System Binaries
----------------------------------------------------------------------
UnixWare 7.1.4 /usr/X/bin/Xnest
/usr/X/bin/Xsco
/usr/X/bin/Xvfb
/usr/X/bin/xfs
/usr/X/lib/libICE.a
/usr/X/lib/libICE.so.6.0
/usr/src/ihvkit/display/Xserver/lib/libos.a
/usr/src/ihvkit/display/usrlib/libfont.a

UnixWare 7.1.3 /usr/X/bin/Xnest
/usr/X/bin/Xsco
/usr/X/bin/Xvfb
/usr/X/bin/xfs
/usr/X/lib/libICE.a
/usr/X/lib/libICE.so.6.0
/usr/src/ihvkit/display/Xserver/lib/libos.a
/usr/src/ihvkit/display/usrlib/libfont.a

UnixWare 7.1.1 /usr/X/bin/Xnest
/usr/X/bin/Xsco
/usr/X/bin/Xvfb
/usr/X/bin/xfs
/usr/X/lib/libICE.a
/usr/X/lib/libICE.so.6.0
/usr/src/ihvkit/display/Xserver/lib/libos.a
/usr/src/ihvkit/display/usrlib/libfont.a


3. Solution

The proper solution is to install the latest packages.


4. UnixWare 7.1.4

4.1 Location of Fixed Binaries

ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.8

4.2 Verification

MD5 (erg712694.pkg.Z) = f216b86a37d02bc0630a849863023637

md5 is available for download from
ftp://ftp.sco.com/pub/security/tools

4.3 Installing Fixed Binaries

Upgrade the affected binaries with the following sequence:

Download erg712694.pkg.Z to the /var/spool/pkg directory

# uncompress /var/spool/pkg/erg712694.pkg.Z
# pkgadd -d /var/spool/pkg/erg712694.pkg


5. UnixWare 7.1.3

5.1 Location of Fixed Binaries

ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.8

5.2 Verification

MD5 (erg712694.713.pkg.Z) = cdd347f43fb4cbcec2ef693d88ec104b

md5 is available for download from
ftp://ftp.sco.com/pub/security/tools

5.3 Installing Fixed Binaries

Upgrade the affected binaries with the following sequence:

Download erg712694.713.pkg.Z to the /var/spool/pkg directory

# uncompress /var/spool/pkg/erg712694.713.pkg.Z
# pkgadd -d /var/spool/pkg/erg712694.713.pkg


6. UnixWare 7.1.1

6.1 Location of Fixed Binaries

ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.8


6.2 Verification

MD5 (erg712694.711.pkg.Z) = 8c59f293edd8520ed1fefc0abe465592

md5 is available for download from
ftp://ftp.sco.com/pub/security/tools


6.3 Installing Fixed Binaries

Upgrade the affected binaries with the following sequence:

Download erg712694.711.pkg.Z to the /var/spool/pkg directory

# uncompress /var/spool/pkg/erg712694.711.pkg.Z
# pkgadd -d /var/spool/pkg/erg712694.711.pkg


7. References

Specific references for this advisory:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0134
http://x.org/X11R6.8.1/RELNOTES.txt

SCO security resources:
http://www.sco.com/support/security/index.html

SCO security advisories via email
http://www.sco.com/support/forums/security.html

This security fix closes SCO incidents sr891412 fz530161
erg712694.


8. Disclaimer

SCO is not responsible for the misuse of any of the information
we provide on this website and/or through our security
advisories. Our advisories are a service to our customers
intended to promote secure installation and use of SCO
products.


9. Acknowledgments

SCO would like to thank Jim Gettys and The Open X.org
foundation

______________________________________________________________________________

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