Detections
Analytics
Fedora 8 : ruby-1.8.6.287-2.fc8 (2008-8736)
high Nessus Plugin ID 34379
Synopsis
The remote Fedora host is missing a security update.Description
Update to new upstream release fixing multiple security issues detailed in the upstream advisories:http://www.ruby-lang.org/en/news/2008/08/08/multiple- vulnerabilities-in-ruby/ - CVE-2008-3655 - multiple insufficient safe mode restrictions - CVE-2008-3656 - WEBrick DoS vulnerability (CPU consumption) - CVE-2008-3657 - missing 'taintness' checks in dl module
- CVE-2008-3905 - resolv.rb adds random transactions ids and source ports to prevent DNS spoofing attacks http://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in- rexml/ - CVE-2008-3790 - DoS in the REXML module One issue not covered by any upstream advisory: - CVE-2008-3443 - DoS in the regular expression engine
Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
Update the affected ruby package.See Also
http://www.ruby-lang.org/en/news/2008/08/08/multiple-
http://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-
https://bugzilla.redhat.com/show_bug.cgi?id=458948
https://bugzilla.redhat.com/show_bug.cgi?id=458953
https://bugzilla.redhat.com/show_bug.cgi?id=458966
https://bugzilla.redhat.com/show_bug.cgi?id=459266
https://bugzilla.redhat.com/show_bug.cgi?id=460134
Plugin Details
Severity: High
ID: 34379
File Name: fedora_2008-8736.nasl
Version: 1.20
Type: local
Agent: unix
Family: Fedora Local Security Checks
Published: 10/10/2008
Updated: 1/11/2021
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.6
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.1
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Vulnerability Information
CPE: cpe:/o:fedoraproject:fedora:8, p-cpe:/a:fedoraproject:fedora:ruby
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 10/9/2008
Reference Information
CVE: CVE-2008-3443, CVE-2008-3655, CVE-2008-3656, CVE-2008-3657, CVE-2008-3790, CVE-2008-3905