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Test ID:1.3.6.1.4.1.25623.1.0.61498
Category:Ubuntu Local Security Checks
Title:Ubuntu USN-621-1 (ruby1.8)
Summary:Ubuntu USN-621-1 (ruby1.8)
Description:
The remote host is missing an update to ruby1.8
announced via advisory USN-621-1.

A security issue affects the following Ubuntu releases:

Ubuntu 6.06 LTS
Ubuntu 7.04
Ubuntu 7.10
Ubuntu 8.04 LTS

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

Details follow:

Drew Yao discovered several vulnerabilities in Ruby which lead to integer
overflows. If a user or automated system were tricked into running a
malicious script, an attacker could cause a denial of service or execute
arbitrary code with the privileges of the user invoking the program.
(CVE-2008-2662, CVE-2008-2663, CVE-2008-2725, CVE-2008-2726)

Drew Yao discovered that Ruby did not sanitize its input when using ALLOCA.
If a user or automated system were tricked into running a malicious script,
an attacker could cause a denial of service via memory corruption.
(CVE-2008-2664)

Solution:
The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 6.06 LTS:
libruby1.8 1.8.4-1ubuntu1.5
ruby1.8 1.8.4-1ubuntu1.5

Ubuntu 7.04:
libruby1.8 1.8.5-4ubuntu2.2
ruby1.8 1.8.5-4ubuntu2.2

Ubuntu 7.10:
libruby1.8 1.8.6.36-1ubuntu3.2
ruby1.8 1.8.6.36-1ubuntu3.2

Ubuntu 8.04 LTS:
libruby1.8 1.8.6.111-2ubuntu1.1
ruby1.8 1.8.6.111-2ubuntu1.1

In general, a standard system upgrade is sufficient to effect the
necessary changes.

http://www.securityspace.com/smysecure/catid.html?in=USN-621-1

Risk factor : Critical
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2008-2662
Bugtraq: 20080626 rPSA-2008-0206-1 ruby (Google Search)
http://www.securityfocus.com/archive/1/archive/1/493688/100/0/threaded
http://blog.phusion.nl/2008/06/23/ruby-186-p230187-broke-your-app-ruby-enterprise-edition-to-the-rescue/
http://weblog.rubyonrails.org/2008/6/21/multiple-ruby-security-vulnerabilities
http://www.matasano.com/log/1070/updates-on-drew-yaos-terrible-ruby-vulnerabilities/
http://www.ruby-forum.com/topic/157034
http://www.rubyinside.com/june-2008-ruby-security-vulnerabilities-927.html
http://www.zedshaw.com/rants/the_big_ruby_vulnerabilities.html
http://lists.apple.com/archives/security-announce/2008//Jun/msg00002.html
Debian Security Information: DSA-1612 (Google Search)
http://www.debian.org/security/2008/dsa-1612
Debian Security Information: DSA-1618 (Google Search)
http://www.debian.org/security/2008/dsa-1618
https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00937.html
http://security.gentoo.org/glsa/glsa-200812-17.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2008:140
http://www.mandriva.com/security/advisories?name=MDVSA-2008:141
http://www.mandriva.com/security/advisories?name=MDVSA-2008:142
http://www.redhat.com/support/errata/RHSA-2008-0561.html
http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.429562
SuSE Security Announcement: SUSE-SR:2008:017 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html
http://www.ubuntu.com/usn/usn-621-1
BugTraq ID: 29903
http://www.securityfocus.com/bid/29903
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11601
http://www.vupen.com/english/advisories/2008/1907/references
http://www.vupen.com/english/advisories/2008/1981/references
http://www.securitytracker.com/id?1020347
http://secunia.com/advisories/30831
http://secunia.com/advisories/30802
http://secunia.com/advisories/31062
http://secunia.com/advisories/31181
http://secunia.com/advisories/31256
http://secunia.com/advisories/31687
http://secunia.com/advisories/30867
http://secunia.com/advisories/30875
http://secunia.com/advisories/30894
http://secunia.com/advisories/33178
XForce ISS Database: ruby-rbstrbufappend-code-execution(43345)
http://xforce.iss.net/xforce/xfdb/43345
Common Vulnerability Exposure (CVE) ID: CVE-2008-2663
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10524
http://secunia.com/advisories/31090
XForce ISS Database: ruby-rbarystore-code-execution(43346)
http://xforce.iss.net/xforce/xfdb/43346
Common Vulnerability Exposure (CVE) ID: CVE-2008-2664
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9646
XForce ISS Database: ruby-rbstrformat-code-execution(43348)
http://xforce.iss.net/xforce/xfdb/43348
Common Vulnerability Exposure (CVE) ID: CVE-2008-2725
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2008-2727
http://www.redhat.com/archives/fedora-security-commits/2008-June/msg00005.html
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9606
XForce ISS Database: ruby-rbarysplice-code-execution(43350)
http://xforce.iss.net/xforce/xfdb/43350
Common Vulnerability Exposure (CVE) ID: CVE-2008-2726
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9959
XForce ISS Database: ruby-rbarysplice-begrlen-code-execution(43351)
http://xforce.iss.net/xforce/xfdb/43351
CopyrightCopyright (c) 2008 E-Soft Inc. http://www.securityspace.com

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