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SuSE 11 Security Update : ruby (SAT Patch Number 1073)
high Nessus Plugin ID 41452
Synopsis
The remote SuSE 11 host is missing one or more security updates.Description
This ruby update improves return value checks for openssl function OCSP_basic_verify() (CVE-2009-0642) which allowed an attacker to use revoked certificates.The entropy of DNS identifiers was increased (CVE-2008-3905) to avaid spoofing attacks.
The code for parsing XML data was vulnerable to a denial of service bug. (CVE-2008-3790)
An attack on algorithm complexity was possible in function WEBrick::HTTP::DefaultFileHandler() while parsing HTTP requests (CVE-2008-3656) as well as by using the regex engine (CVE-2008-3443) causing high CPU load.
Ruby's access restriction code (CVE-2008-3655) as well as safe-level handling using function DL.dlopen() (CVE-2008-3657) and big decimal handling (CVE-2009-1904) was improved.
Bypassing HTTP basic authentication (authenticate_with_http_digest) is not possible anymore.
Solution
Apply SAT patch number 1073.See Also
https://bugzilla.novell.com/show_bug.cgi?id=415678
https://bugzilla.novell.com/show_bug.cgi?id=420084
https://bugzilla.novell.com/show_bug.cgi?id=423234
https://bugzilla.novell.com/show_bug.cgi?id=478019
https://bugzilla.novell.com/show_bug.cgi?id=499253
https://bugzilla.novell.com/show_bug.cgi?id=509914
https://bugzilla.novell.com/show_bug.cgi?id=511568
http://support.novell.com/security/cve/CVE-2008-3443.html
http://support.novell.com/security/cve/CVE-2008-3655.html
http://support.novell.com/security/cve/CVE-2008-3656.html
http://support.novell.com/security/cve/CVE-2008-3657.html
http://support.novell.com/security/cve/CVE-2008-3790.html
http://support.novell.com/security/cve/CVE-2008-3905.html
Plugin Details
Severity: High
ID: 41452
File Name: suse_11_ruby-090703.nasl
Version: 1.15
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 9/24/2009
Updated: 1/14/2021
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Vulnerability Information
CPE: p-cpe:/a:novell:suse_linux:11:ruby-tk, cpe:/o:novell:suse_linux:11, p-cpe:/a:novell:suse_linux:11:ruby, p-cpe:/a:novell:suse_linux:11:ruby-doc-html
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Patch Publication Date: 7/3/2009
Reference Information
CVE: CVE-2008-3443, CVE-2008-3655, CVE-2008-3656, CVE-2008-3657, CVE-2008-3790, CVE-2008-3905, CVE-2009-0642, CVE-2009-1904