CSSA-2002-SCO.41-UnixWare 7.1.1 Open UNIX 8.0.0 : denial of service
by Nikola Strahija on October 22nd, 2002 An rcp of /proc by a normal user can cause the entire system to be unusable.
1. Vulnerable Supported Versions
System Binaries
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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
2. Solution
The proper solution is to install the latest packages.
3. 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
4. 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
5. 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.
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.
