[27547] in bugtraq
Security Update: [CSSA-2002-SCO.41] UnixWare 7.1.1 Open UNIX 8.0.0 : rcp of /proc causes denial-of-service
daemon@ATHENA.MIT.EDU (security@caldera.com)
Mon Oct 21 18:21:26 2002
To: bugtraq@securityfocus.com, announce@lists.caldera.com,
scoannmod@xenitec.on.ca, full-disclosure@lists.netsys.com
From: security@caldera.com
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Date: Mon, 21 Oct 2002 15:04:29 -0700
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To: bugtraq@securityfocus.com announce@lists.caldera.com scoannmod@xenitec.on.ca full-disclosure@lists.netsys.com
______________________________________________________________________________
SCO Security Advisory
Subject: UnixWare 7.1.1 Open UNIX 8.0.0 : rcp of /proc causes denial-of-service
Advisory number: CSSA-2002-SCO.41
Issue date: 2002 October 21
Cross reference:
______________________________________________________________________________
1. Problem Description
An rcp of /proc by a normal user can cause the entire system
to be unusable.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
UnixWare 7.1.1 /etc/conf/pack.d/fs/Driver_atup.o
/etc/conf/pack.d/fs/Driver_mp.o
Open UNIX 8.0.0 /etc/conf/pack.d/fs/Driver_atup.o
/etc/conf/pack.d/fs/Driver_mp.o
3. Solution
The proper solution is to install the latest packages.
4. UnixWare 7.1.1
4.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenUNIX/CSSA-2002-SCO.41
4.2 Verification
MD5 (erg712112c.pkg.Z) = 106da290e2483bc7aba11d7f486b50c4
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 erg712112c.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712112c.pkg.Z
# pkgadd -d /var/spool/pkg/erg712112c.pkg
5. Open UNIX 8.0.0
5.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenUNIX/CSSA-2002-SCO.41
5.2 Verification
MD5 (erg712112d.pkg.Z) = b0e485feccbbe76aefb4061f9b7e6192
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 erg712112d.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712112d.pkg.Z
# pkgadd -d /var/spool/pkg/erg712112d.pkg
6. References
Specific references for this advisory:
http://mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1231
SCO security resources:
http://www.sco.com/support/security/index.html
This security fix closes SCO incidents sr868418, fz525927,
erg712112.
7. 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.
______________________________________________________________________________
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