Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2008.0641 -- [Win][UNIX/Linux]
Multiple vulnerabilities in Ruby may lead to a denial of service (DoS)
condition or allow execution of arbitrary code.
24 June 2008
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Ruby 1.8.4 and all prior versions
Ruby 1.8.5-p230 and all prior versions
Ruby 1.8.6-p229 and all prior versions
Ruby 1.8.7-p21 and all prior versions
Ruby 1.9.0-1 and all prior versions
Publisher: Ruby Community
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact: Execute Arbitrary Code/Commands
Denial of Service
Access: Remote/Unauthenticated
CVE Names: CVE-2008-2662 CVE-2008-2663 CVE-2008-2725
CVE-2008-2726 CVE-2008-2664 CVE-2008-1891
Original Bulletin:
http://www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/
- --------------------------BEGIN INCLUDED TEXT--------------------
Arbitrary code execution vulnerabilities
Multiple vulnerabilities in Ruby may lead to a denial of service (DoS)
condition or allow execution of arbitrary code.
Impact
With the following vulnerabilities, an attacker can lead to denial of
service condition or execute arbitrary code.
* CVE-2008-2662
* CVE-2008-2663
* CVE-2008-2725
* CVE-2008-2726
* CVE-2008-2664
Vulnerable versions
1.8 series
+ 1.8.4 and all prior versions
+ 1.8.5-p230 and all prior versions
+ 1.8.6-p229 and all prior versions
+ 1.8.7-p21 and all prior versions
1.9 series
+ 1.9.0-1 and all prior versions
Solution
1.8 series
Please upgrade to 1.8.5-p231, or 1.8.6-p230, or 1.8.7-p22.
+ <URL:ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.5-p231.tar.gz>
(md5sum: e900cf225d55414bffe878f00a85807c)
+ <URL:ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.6-p230.tar.gz>
(md5sum: 5e8247e39be2dc3c1a755579c340857f)
+ <URL:ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.7-p22. tar.gz>
(md5sum: fc3ede83a98f48d8cb6de2145f680ef2)
1.9 series
Please upgrade to 1.9.0-2.
+ <URL:ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.0-2.tar.gz>
(md5sum: 2a848b81ed1d6393b88eec8aa6173b75)
These versions also fix the vulnerability of WEBrick
(CVE-2008-1891).
Please note that a package that corrects this weakness may already be
available through your package management software.
Credit
Credit to Drew Yao of Apple Product Security for disclosing the
problem to Ruby Security Team.
Changes
* 2008-06-21 00:29 +09:00 removed wrong CVE IDs (CVE-2008-2727,
CVE-2008-2728).
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
http://www.auscert.org.au/render.html?cid=1980
If you believe that your computer system has been compromised or attacked in
any way, we encourage you to let us know by completing the secure National IT
Incident Reporting Form at:
http://www.auscert.org.au/render.html?it=3192
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
iQCVAwUBSGBXhyh9+71yA2DNAQI/KwP/aJY+Pmj2qQjPV1fQVaaXcs5nSu/vhOUu
juctBz1yWQymKXwZRUSUX9ibqR0kSap4HVgKb/6IJha3MP1Hdk2J2UKfRnCBI2iY
+jcq50ATcG2s5WzI+Fd7BZ6UfzQ8lU0MIevvIXylnqqVIBluJD7bvQA5rruDlc1d
avoJfRAoH+c=
=6oPl
-----END PGP SIGNATURE-----