Date: Tue, 25 Jun 2002 17:34:08 -0700
From: security@caldera.com
To: bugtraq@securityfocus.com, announce@lists.caldera.com,
Subject: Security Update: [CSSA-2002-SCO.30] UnixWare 7.1.1 Open UNIX 8.0.0 : dtprintinfo buffer overflow with Help search
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To: bugtraq@securityfocus.com announce@lists.caldera.com scoannmod@xenitec.on.ca
______________________________________________________________________________
Caldera International, Inc. Security Advisory
Subject: UnixWare 7.1.1 Open UNIX 8.0.0 : dtprintinfo buffer overflow with Help search
Advisory number: CSSA-2002-SCO.30
Issue date: 2002 June 25
Cross reference:
______________________________________________________________________________
1. Problem Description
The CDE dtprintinfo program is vulnerable to a buffer
overflow condition that allows a local attacker to gain
root access. The problem occurs due to insufficient bounds
checking in the Volume search field from the Help section.
An attacker can insert a specially crafted string for the
search parameter and gain root privileges.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
UnixWare 7.1.1 /usr/dt/lib/libDtHelp.so.1
Open UNIX 8.0.0 /usr/dt/lib/libDtHelp.so.1
3. Solution
The proper solution is to install the latest packages.
4. UnixWare 7.1.1
4.1 Location of Fixed Binaries
ftp://ftp.caldera.com/pub/updates/OpenUNIX/CSSA-2002-SCO.30
4.2 Verification
MD5 (erg712032.pkg.Z) = b654e5f739056ba4a73e07646e88f049
md5 is available for download from
ftp://ftp.caldera.com/pub/security/tools
4.3 Installing Fixed Binaries
Upgrade the affected binaries with the following commands:
Download erg712032.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712032.pkg.Z
# pkgadd -d /var/spool/pkg/erg712032.pkg
5. Open UNIX 8.0.0
5.1 Location of Fixed Binaries
ftp://ftp.caldera.com/pub/updates/OpenUNIX/CSSA-2002-SCO.30
5.2 Verification
MD5 (erg712032.pkg.Z) = b654e5f739056ba4a73e07646e88f049
md5 is available for download from
ftp://ftp.caldera.com/pub/security/tools
5.3 Installing Fixed Binaries
Upgrade the affected binaries with the following commands:
Download erg712032.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712032.pkg.Z
# pkgadd -d /var/spool/pkg/erg712032.pkg
6. References
Specific references for this advisory:
http://www.eSecurityOnline.com/advisories/eSO2406.asphttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-0551
Caldera security resources:
http://www.caldera.com/support/security/index.html
This security fix closes Caldera incidents sr863696, fz520821,
erg712032.
7. Disclaimer
Caldera International, Inc. 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 Caldera products.
8. Acknowledgements
Kevin Kotas of eSecurityOnline discovered this vulnerability.
______________________________________________________________________________
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