security@caldera.com
21/01/03, 06:18
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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 : command line argument buffer overflow in ps
Advisory number: CSSA-2003-SCO.1
Issue date: 2003 January 10
Cross reference:
__________________________________________________ ____________________________
1. Problem Description
The ps command has a command line argument buffer overflow.
Note that ps is not a setuid or setgid program, but instead it
is authorized to use (and does use) the
procprivl(SETPRV,pm_work(P_MACREAD) call. Therefore, this
vulnerability is exploitable, and could be used to run code of
the attacker's choice with these elevated privileges.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
UnixWare 7.1.1 /sbin/ps
/usr/bin/ps
Open UNIX 8.0.0 /sbin/ps
/usr/bin/ps
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-2003-SCO.1
4.2 Verification
MD5 (erg712109.pkg.Z) = 70777560bc1e0d55ceff89dfd8334c47
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 erg712109.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712109.pkg.Z
# pkgadd -d /var/spool/pkg/erg712109.pkg
5. Open UNIX 8.0.0
5.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenUNIX/CSSA-2003-SCO.1
5.2 Verification
MD5 (erg712109.pkg.Z) = 70777560bc1e0d55ceff89dfd8334c47
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 erg712109.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712109.pkg.Z
# pkgadd -d /var/spool/pkg/erg712109.pkg
6. References
Specific references for this advisory:
none
SCO security resources:
http://www.sco.com/support/security/index.html
This security fix closes SCO incidents sr868388, fz525923,
erg712109.
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.
8. Acknowledgements
SCO Security discovered and researched this vulnerability.
__________________________________________________ ____________________________
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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 : command line argument buffer overflow in ps
Advisory number: CSSA-2003-SCO.1
Issue date: 2003 January 10
Cross reference:
__________________________________________________ ____________________________
1. Problem Description
The ps command has a command line argument buffer overflow.
Note that ps is not a setuid or setgid program, but instead it
is authorized to use (and does use) the
procprivl(SETPRV,pm_work(P_MACREAD) call. Therefore, this
vulnerability is exploitable, and could be used to run code of
the attacker's choice with these elevated privileges.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
UnixWare 7.1.1 /sbin/ps
/usr/bin/ps
Open UNIX 8.0.0 /sbin/ps
/usr/bin/ps
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-2003-SCO.1
4.2 Verification
MD5 (erg712109.pkg.Z) = 70777560bc1e0d55ceff89dfd8334c47
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 erg712109.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712109.pkg.Z
# pkgadd -d /var/spool/pkg/erg712109.pkg
5. Open UNIX 8.0.0
5.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenUNIX/CSSA-2003-SCO.1
5.2 Verification
MD5 (erg712109.pkg.Z) = 70777560bc1e0d55ceff89dfd8334c47
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 erg712109.pkg.Z to the /var/spool/pkg directory
# uncompress /var/spool/pkg/erg712109.pkg.Z
# pkgadd -d /var/spool/pkg/erg712109.pkg
6. References
Specific references for this advisory:
none
SCO security resources:
http://www.sco.com/support/security/index.html
This security fix closes SCO incidents sr868388, fz525923,
erg712109.
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.
8. Acknowledgements
SCO Security discovered and researched this vulnerability.
__________________________________________________ ____________________________
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