[38276] in bugtraq
UnixWare 7.1.4 : cdrecord local root exploit
daemon@ATHENA.MIT.EDU (please_reply_to_security@sco.com)
Thu Apr 7 17:40:48 2005
To: security-announce@list.sco.com, bugtraq@securityfocus.com,
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From: please_reply_to_security@sco.com
Reply-To: please_reply_to_security@sco.com
Date: Thu, 7 Apr 2005 14:26:40 -0700
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______________________________________________________________________________
SCO Security Advisory
Subject: UnixWare 7.1.4 : cdrecord local root exploit
Advisory number: SCOSA-2005.20
Issue date: 2005 April 07
Cross reference: sr891408 fz530156 erg712690 CAN-2004-0806
______________________________________________________________________________
1. Problem Description
cdrecord in the cdrtools package before 2.01, when installed
setuid root, does not properly drop privileges before
executing a program specified in the RSH environment variable,
which allows local users to gain privileges.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CAN-2004-0806 to this issue.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
UnixWare 7.1.4 cdrtools distribution
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-2005.20
4.2 Verification
MD5 (cdrtools.pkg) = 5921506ffd8ff63a0207d946912f2493
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 cdrtools.pkg to the /var/spool/pkg directory
# pkgadd -d /var/spool/pkg/cdrtools.pkg
5. References
Specific references for this advisory:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0806
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 sr891408 fz530156
erg712690.
6. 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.
7. Acknowledgments
SCO would like to thank Max Vozeler
______________________________________________________________________________
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