CVE-2014-8090

Home/CVE/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 al

CVE

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 al

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.

MEDIUM · CVSS 5 EPSS 0.11898

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 6% of all CVEs by exploitation likelihood
Public exploit or PoC is available

Sigma rules3 YARA rules0

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Affected Products & Versions

ruby-lang ruby<= 1.9.3

ruby-lang rubyall versions

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Public Exploits & PoCs

pocwww.ruby-lang.org · rexml-dos-cve-2014-8090www.ruby-lang.org

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

productmediumRuby on Rails Framework Exceptions

productmediumPotential Ruby Reverse Shell

productmediumRuby Inline Command Execution

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Scoring & Timeline

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published to NVD21 Nov 2014 · 03:59 PM

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Vendor Advisories

rhsaRHSA-2026:7307Moderate
rhsaRHSA-2026:8838Moderate
rhsaRHSA-2026:7305Moderate
usnUSN-2412-1
rhsaRHSA-2014:1911Moderate
Show all 8 vendor advisoriesrhsaRHSA-2014:1914Moderate
rhsaRHSA-2014:1913Moderate
rhsaRHSA-2014:1912Moderate

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://advisories.mageia.org/MGASA-2014-0472.html

http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html

http://lists.opensuse.org/opensuse-updates/2014-12/msg00035.html

http://lists.opensuse.org/opensuse-updates/2015-01/msg00000.html

http://lists.opensuse.org/opensuse-updates/2015-01/msg00004.html

http://rhn.redhat.com/errata/RHSA-2014-1911.html

Show all 19 references

http://rhn.redhat.com/errata/RHSA-2014-1912.html

http://rhn.redhat.com/errata/RHSA-2014-1913.html

http://rhn.redhat.com/errata/RHSA-2014-1914.html

http://secunia.com/advisories/59948

http://secunia.com/advisories/62050

http://secunia.com/advisories/62748

http://www.debian.org/security/2015/dsa-3157

http://www.debian.org/security/2015/dsa-3159

http://www.mandriva.com/security/advisories?name=MDVSA-2015:129

http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

http://www.securityfocus.com/bid/71230

http://www.ubuntu.com/usn/USN-2412-1PatchVendor Advisory

https://support.apple.com/HT205267

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