CVE-2013-1812

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Summary

CVECVE-2013-1812
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-12-12 18:55:10 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe ruby-openid gem before 2.2.2 for Ruby allows remote OpenID providers to cause a denial of service (CPU consumption) via (1) a large XRDS document or (2) an XML Entity Expansion (XEE) attack.

Risk And Classification

Primary CVSS: v2.0 4.3 from [email protected]

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

EPSS: 0.005310000 probability, percentile 0.673120000 (date 2026-04-29)

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 17 All All All
Operating System Fedoraproject Fedora 18 All All All
Application Janrain Ruby-openid 2.2.0 - - All
Application Janrain Ruby-openid All - - All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
ruby-openid/CHANGELOG.md at master · openid/ruby-openid · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
oss-security - Re: CVE request: ruby-openid XML denial of service attack af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
Merge pull request #43 from nov/against_dos · openid/ruby-openid@a3693ce · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Patch
limit fetching file size & disable XML entity expansion by nov · Pull Request #43 · openid/ruby-openid · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
[SECURITY] Fedora 19 Update: rubygem-ruby-openid-2.3.0-3.fc19 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
918134 – (CVE-2013-1812) CVE-2013-1812 ruby-openid: Vulnerable to XIE DoS attacks af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
[SECURITY] Fedora 20 Update: rubygem-ruby-openid-2.3.0-3.fc20 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
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