Date: Mon, 19 Aug 2002 15:28:26 -0700
From: [email protected]
To: [email protected], [email protected],
Subject: Security Update: [CSSA-2002-SCO.28.1] UnixWare 7.1.1 Open UNIX 8.0.0 : REVISED: rpc.ttdbserverd file creation/deletion and buffer overflow vulnerabilities
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To: [email protected][email protected][email protected][email protected]
______________________________________________________________________________
Caldera International, Inc. Security Advisory
Subject: UnixWare 7.1.1 Open UNIX 8.0.0 : REVISED: rpc.ttdbserverd file creation/deletion and buffer overflow vulnerabilities
Advisory number: CSSA-2002-SCO.28.1
Issue date: 2002 August 19
Cross reference:
______________________________________________________________________________
1. Problem Description
Several security bugs were discovered in the rpc.ttdbserverd
program that allow an attacker to overwrite memory in the
program as well as force the program to create and delete
arbitrary files on the system. Some of these vulnerabilities
are remotely exploitable.
This update adds a fix for an additional vulnerability: a
buffer overflow described by CERT CA-2002-26.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
UnixWare 7.1.1 /usr/dt/bin/rpc.ttdbserverd
Open UNIX 8.0.0 /usr/dt/bin/rpc.ttdbserverd
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.28.1
4.2 Verification
MD5 (erg712073.pkg.Z) = c743fbce3e57a8dd07f417320ff5b3ab
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 erg712073.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712073.pkg.Z
# pkgadd -d /var/spool/pkg/erg712073.pkg
5. Open UNIX 8.0.0
5.1 Location of Fixed Binaries
ftp://ftp.caldera.com/pub/updates/OpenUNIX/CSSA-2002-SCO.28.1
5.2 Verification
MD5 (erg712073.pkg.Z) = c743fbce3e57a8dd07f417320ff5b3ab
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 erg712073.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712073.pkg.Z
# pkgadd -d /var/spool/pkg/erg712073.pkg
6. References
Specific references for this advisory:
CORE ST advisory CORE-20020528
http://www.cert.org/advisories/CA-2002-20.htmlhttp://www.entercept.com/news/uspr/08-12-02.asphttp://www.cert.org/advisories/CA-2002-26.htmlhttp://www.kb.cert.org/vuls/id/387387http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0679
Caldera security resources:
http://www.caldera.com/support/security/index.html
This security fix closes Caldera incidents sr865685, fz521202,
erg712073.
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
The file creation and deletion vulnerabilities were discovered
and researched by Ricardo Quesada of the CORE IMPACT team at
CORE Security Technologies. Sinan Eren of the Entercept
Richochet Team reported the CA-2002-26 vulnerability.
______________________________________________________________________________
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