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Subject: UnixWare 7.1.4 UnixWare 7.1.3 UnixWare 7.1.1 : CDE dtlogin unspecified double free
Date: Thu, 7 Apr 2005 12:44:04 -0700
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______________________________________________________________________________
SCO Security Advisory
Subject: UnixWare 7.1.4 UnixWare 7.1.3 UnixWare 7.1.1 : CDE dtlogin unspecified double free
Advisory number: SCOSA-2005.18
Issue date: 2005 April 7
Cross reference: sr890079 fz529303 erg712592 CAN-2004-0368 CERT VU#179804
______________________________________________________________________________
1. Problem Description
The Common Desktop Environment (CDE) dtlogin utility is
used to log into a CDE session. The CDE dtlogin utility has
a double-free vulnerability in the X Display Manager Control
Protocol (XDMCP). By sending a specially-crafted XDMCP
packet to a vulnerable system, a remote attacker could
obtain sensitive information, cause a denial of service or
execute arbitrary code on the system.
CERT Vulnerability Note VU#179804, Common Desktop Environment
(CDE) dtlogin improperly deallocates memory at
http://www.kb.cert.org/vuls/id/179804.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CAN-2004-0368 to this issue.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
UnixWare 7.1.4 /usr/dt/bin/dtgreet
/usr/dt/bin/dtlogin
/usr/dt/lib/libDtLogin.so.1
UnixWare 7.1.3 /usr/dt/bin/dtgreet
/usr/dt/bin/dtlogin
/usr/dt/lib/libDtLogin.so.1
UnixWare 7.1.1 See Maintenance Pack 5 notes
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-2005.18
4.2 Verification
MD5 (erg712592.pkg.Z) = d3714b22a624db25740f5539c063d407
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 erg712592.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712592.pkg.Z
# pkgadd -d /var/spool/pkg/erg712592.pkg
5. UnixWare 7.1.3
5.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.18
5.2 Verification
MD5 (erg712592.713.pkg.Z) = fc8d0c4f0ebdcf65504d1b4985c7ba52
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 erg712592.713.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712592.713.pkg.Z
# pkgadd -d /var/spool/pkg/erg712592.713.pkg
6. UnixWare 7.1.1 uw711mp5
6.1 Location of Fixed Binaries
The fixes are available in SCO UnixWare Release 7.1.1
Maintenance Pack 5 or later. See
ftp://ftp.sco.com/pub/unixware7/uw711pk/uw711mp5.txt
and
ftp://ftp.sco.com/pub/unixware7/uw711pk/uw711mp5_errata.txt
6.2 Verification
MD5 (uw711mp5.cpio.Z) = 50bd66b7d57b2025da9dca4010d0ab1a
md5 is available for download from
ftp://ftp.sco.com/pub/security/tools
6.3 Installing Fixed Binaries
See uw711mp5.txt and uw711mp5_errata.txt for install instructions.
7. References
Specific references for this advisory:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0368
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 sr890079 fz529303
erg712592.
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
SC