exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

CSSA-2002-SCO.17.txt

CSSA-2002-SCO.17.txt
Posted May 7, 2002
Authored by Kevin Finisterre, Caldera | Site stage.caldera.com

Caldera Security Advisory CSSA-2002-SCO.17 - A buffer overflow found in how the sar can be used to execute shellcode with elevated privileges on Caldera OpenServer 5.0.5 systems.

tags | overflow, shellcode
SHA-256 | b2227264615ef07d201eb3e93c99b69dd64badf1fc46ac112f0c1c6cc2510596

CSSA-2002-SCO.17.txt

Change Mirror Download

______________________________________________________________________________

Caldera International, Inc. Security Advisory

Subject: OpenServer 5.0.5 : sar -o buffer overflow
Advisory number: CSSA-2002-SCO.17
Issue date: 2002 May 01
Cross reference:
______________________________________________________________________________


1. Problem Description

If the /usr/bin/sar command is given an exceedingly long
argument to the o option, it will memory fault. This could
allow a malicious user to elevate their permissions.


2. Vulnerable Supported Versions

System Binary
----------------------------------------------------------------------
OpenServer 5.0.5 /usr/bin/sar
/usr/lib/sa/sadc
/usr/bin/cpusar
/usr/bin/mpsar

3. Solution

The proper solution is to install the latest packages.


4. OpenServer 5.0.5

4.1 Location of Fixed Binaries

ftp://stage.caldera.com/pub/security/openserver/CSSA-2002-SCO.17


4.2 Verification

MD5 (VOL.000.000) = f912fe801263863956c257c4ef395570

md5 is available for download from
ftp://stage.caldera.com/pub/security/tools/


4.3 Installing Fixed Binaries

Upgrade the affected binaries with the following commands:

1) Download the VOL* files to the /tmp directory

Run the custom command, specify an install from media images,
and specify the /tmp directory as the location of the images.


5. References

Specific references for this advisory:
none

Caldera UNIX security resources:
http://stage.caldera.com/support/security/

Caldera OpenLinux security resources:
http://www.caldera.com/support/security/index.html

This security fix closes Caldera incidents sr862424, fz520480,
erg712003.


6. Disclaimer

Caldera International, Inc. 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 Caldera products.


7. Acknowledgements

Caldera would like to thank KF <dotslash@snosoft.com> for
discovering this problem, researching it, and alerting us.
And being patient, too.

______________________________________________________________________________
Login or Register to add favorites

File Archive:

March 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    16 Files
  • 2
    Mar 2nd
    0 Files
  • 3
    Mar 3rd
    0 Files
  • 4
    Mar 4th
    32 Files
  • 5
    Mar 5th
    28 Files
  • 6
    Mar 6th
    42 Files
  • 7
    Mar 7th
    17 Files
  • 8
    Mar 8th
    13 Files
  • 9
    Mar 9th
    0 Files
  • 10
    Mar 10th
    0 Files
  • 11
    Mar 11th
    15 Files
  • 12
    Mar 12th
    19 Files
  • 13
    Mar 13th
    21 Files
  • 14
    Mar 14th
    38 Files
  • 15
    Mar 15th
    15 Files
  • 16
    Mar 16th
    0 Files
  • 17
    Mar 17th
    0 Files
  • 18
    Mar 18th
    10 Files
  • 19
    Mar 19th
    32 Files
  • 20
    Mar 20th
    46 Files
  • 21
    Mar 21st
    16 Files
  • 22
    Mar 22nd
    13 Files
  • 23
    Mar 23rd
    0 Files
  • 24
    Mar 24th
    0 Files
  • 25
    Mar 25th
    12 Files
  • 26
    Mar 26th
    31 Files
  • 27
    Mar 27th
    19 Files
  • 28
    Mar 28th
    0 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close