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Fencer Intel
medium 4.3

CVE-2013-4389 json

actionmailer email address processing causes Denial of service

published 13y ago modified 4mo ago also GHSA-rg5m-3fqp-6px8 , EUVD-2017-0301

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Multiple format string vulnerabilities in log_subscriber.rb files in the log subscriber component in Action Mailer in Ruby on Rails 3.x before 3.2.15 allow remote attackers to cause a denial of service via a crafted e-mail address that is improperly handled during construction of a log message.

Patch / fix

  • rubygems actionmailer 3.2.15
  • rubyonrails rails 3.2.15
  • wmi cloudforms managementengine 5 1.3.14-1.el6cf
  • cfme cloudforms managementengine 5 5.4.0.5-1.el6cf
  • lshw cloudforms managementengine 5 B.02.16-4.el6cf
  • prince cloudforms managementengine 5 9.0r2-4.el6cf
  • libdnet cloudforms managementengine 5 1.12-11.el6cf
  • cfme-lib cloudforms managementengine 5 5.4.0.5-1.el6cf
  • lshw-gui cloudforms managementengine 5 B.02.16-4.el6cf
  • pyliblzma cloudforms managementengine 5 0.5.3-7.el6cf

red hat advisories RHBA-2015:1100

Is CVE-2013-4389 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-4389 updated cvss 5.0

rubygem-actionmailer: email address processing DoS

  • Red Hat OpenShift Enterprise 1 ruby193-rubygem-actionmailer Red Hat OpenStack Platform 3 ruby193-rubygem-actionmailer Red Hat OpenStack Platform 4 ruby193-rubygem-actionmailer Red Hat Satellite 6 ruby193-rubygem-actionmailer Red Hat Software Collections ruby193-rubygem-actionmailer Red Hat Subscription Asset Manager ruby193-rubygem-actionmailer
    affected: no fix planned “Will not fix”
  • Red Hat CloudForms Management Engine 5.4 wmi 1.3.14-1.el6cf, cfme 5.4.0.5-1.el6cf, lshw B.02.16-4.el6cf, prince 9.0r2-4.el6cf, libdnet 1.12-11.el6cf, pyliblzma 0.5.3-7.el6cf, +21 more
    fixed: vendor fix RHBA-2015:1100
  • Red Hat Subscription Asset Manager rubygem-actionmailer
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.14% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • groups.google.com https://groups.google.com/forum/message/raw?msg=ruby-security-ann/yvlR1Vx44c8/elKJkpO2KVgJ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected packages

ecosystem package affected fixed in
rubygems actionmailer
>=3.0.0, <3.2.15
3.2.15

Classification

Weakness
  • CWE-134 Use of Externally-Controlled Format String
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.