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Vulnerability Details : CVE-2014-8090

The REXML parser in Ruby 1.9.x before 1.9.3 patchlevel 551, 2.0.x before 2.0.0 patchlevel 598, and 2.1.x before 2.1.5 allows remote attackers to cause a denial of service (CPU and memory consumption) a crafted XML document containing an empty string in an entity that is used in a large number of nested entity references, aka an XML Entity Expansion (XEE) attack. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-1821 and CVE-2014-8080.
Publish Date : 2014-11-21 Last Update Date : 2017-01-02
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID CWE id is not defined for this vulnerability

- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2014-1911 -- ruby security update (moderate) oval:org.mitre.oval:def:28027 unix
ELSA-2014-1912 -- ruby security update (moderate) oval:org.mitre.oval:def:28303 unix
RHSA-2014:1911 -- ruby security update (Moderate) oval:org.mitre.oval:def:28142 unix
RHSA-2014:1911: ruby security update (Moderate) oval:com.redhat.rhsa:def:20141911 unix
RHSA-2014:1912 -- ruby security update (Moderate) oval:org.mitre.oval:def:27935 unix
RHSA-2014:1912: ruby security update (Moderate) oval:com.redhat.rhsa:def:20141912 unix
USN-2412-1 -- Ruby vulnerability oval:org.mitre.oval:def:28244 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2014-8090

# Product Type Vendor Product Version Update Edition Language
1 Application Ruby-lang Ruby 1.9.3 P426 Version Details Vulnerabilities
2 Application Ruby-lang Ruby 1.9.3 P550 Version Details Vulnerabilities
3 Application Ruby-lang Ruby 1.9.3 P125 Version Details Vulnerabilities
4 Application Ruby-lang Ruby 1.9.3 P392 Version Details Vulnerabilities
5 Application Ruby-lang Ruby 1.9.3 P547 Version Details Vulnerabilities
6 Application Ruby-lang Ruby 1.9.3 P0 Version Details Vulnerabilities
7 Application Ruby-lang Ruby 1.9.3 P385 Version Details Vulnerabilities
8 Application Ruby-lang Ruby 1.9.3 P545 Version Details Vulnerabilities
9 Application Ruby-lang Ruby 1.9.3 Version Details Vulnerabilities
10 Application Ruby-lang Ruby 1.9.3 P383 Version Details Vulnerabilities
11 Application Ruby-lang Ruby 1.9.3 P448 Version Details Vulnerabilities
12 Application Ruby-lang Ruby 1.9.3 P286 Version Details Vulnerabilities
13 Application Ruby-lang Ruby 1.9.3 P429 Version Details Vulnerabilities
14 Application Ruby-lang Ruby 1.9.3 P194 Version Details Vulnerabilities
15 Application Ruby-lang Ruby 2.0.0 P247 Version Details Vulnerabilities
16 Application Ruby-lang Ruby 2.0.0 P451 Version Details Vulnerabilities
17 Application Ruby-lang Ruby 2.0.0 P481 Version Details Vulnerabilities
18 Application Ruby-lang Ruby 2.0.0 Version Details Vulnerabilities
19 Application Ruby-lang Ruby 2.0.0 P576 Version Details Vulnerabilities
20 Application Ruby-lang Ruby 2.0.0 P0 Version Details Vulnerabilities
21 Application Ruby-lang Ruby 2.0.0 P594 Version Details Vulnerabilities
22 Application Ruby-lang Ruby 2.0.0 P195 Version Details Vulnerabilities
23 Application Ruby-lang Ruby 2.1.1 Version Details Vulnerabilities
24 Application Ruby-lang Ruby 2.1.2 Version Details Vulnerabilities
25 Application Ruby-lang Ruby 2.1.3 Version Details Vulnerabilities
26 Application Ruby-lang Ruby 2.1.4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Ruby-lang Ruby 26

- References For CVE-2014-8090

https://www.ruby-lang.org/en/news/2014/11/13/rexml-dos-cve-2014-8090/ CONFIRM
http://rhn.redhat.com/errata/RHSA-2014-1913.html
REDHAT RHSA-2014:1913
http://rhn.redhat.com/errata/RHSA-2014-1914.html
REDHAT RHSA-2014:1914
https://support.apple.com/HT205267 CONFIRM
http://www.ubuntu.com/usn/USN-2412-1
UBUNTU USN-2412-1
http://www.securityfocus.com/bid/71230
BID 71230 Ruby CVE-2014-8090 Incomplete Fix XML External Entity Denial of Service Vulnerability Release Date:2016-02-23
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html CONFIRM
http://www.mandriva.com/security/advisories?name=MDVSA-2015:129
MANDRIVA MDVSA-2015:129
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
APPLE APPLE-SA-2015-09-30-3
http://lists.opensuse.org/opensuse-updates/2014-12/msg00035.html
SUSE openSUSE-SU-2014:1589
http://lists.opensuse.org/opensuse-updates/2015-01/msg00000.html
SUSE openSUSE-SU-2015:0002
http://lists.opensuse.org/opensuse-updates/2015-01/msg00004.html
SUSE openSUSE-SU-2015:0007
http://secunia.com/advisories/62050
SECUNIA 62050
http://www.debian.org/security/2015/dsa-3157
DEBIAN DSA-3157
http://rhn.redhat.com/errata/RHSA-2014-1911.html
REDHAT RHSA-2014:1911
http://rhn.redhat.com/errata/RHSA-2014-1912.html
REDHAT RHSA-2014:1912
http://www.debian.org/security/2015/dsa-3159
DEBIAN DSA-3159
http://advisories.mageia.org/MGASA-2014-0472.html CONFIRM

- Metasploit Modules Related To CVE-2014-8090

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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