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Home » Hacking News » CSSA-2002-SCO.41-UnixWare 7.1.1 Open UNIX 8.0.0 : denial of service

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
----------------------------------------------------------------------
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.


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