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CVE-2014-8090

UnknownEPSS 5.56%

Last modified

CVE-2014-8090 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 5.56% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
5.56%

91.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
Ruby-LangRuby<= 1.9.3P550
Ruby-LangRuby1.9.3—
Ruby-LangRuby2.0.0—
Ruby-LangRuby2.1.1—
Ruby-LangRuby2.1.2—
Ruby-LangRuby2.1.3—
Ruby-LangRuby2.1.4—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2014-8090?
Severity scoring for CVE-2014-8090 is pending analysis. The EPSS model estimates a 5.56% probability of exploitation in the next 30 days.
How do I fix CVE-2014-8090?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-8090?

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Source: NVD / NIST