rubygem-rack: parsing Content-Disposition header DoS
Published Mar 1, 2013
4.3
MEDIUMCVSS 2.0
EPSS 2.72%
Description
lib/rack/multipart.rb in Rack before 1.1.4, 1.2.x before 1.2.6, 1.3.x before 1.3.7, and 1.4.x before 1.4.2 uses an incorrect regular expression, which allows remote attackers to cause a denial of service (infinite loop) via a crafted Content-Disposion header.
Affected products
No data.
Configuration 1
- ≤ 1.1.3
- 0.1
- 0.2
- 0.3
- 0.4
- 0.9
- 0.9.1
- 1.0.0
- 1.0.1
- 1.1.0
- 1.1.2
Configuration 2
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
Configuration 3
- 1.3.0
- 1.3.1
- 1.3.2
- 1.3.3
- 1.3.4
- 1.3.5
- 1.3.6
Configuration 4
- 1.4.0
- 1.4.1
No data.
CloudForms for RHEL 6
rubygem-activesupport-1:3.0.10-10.el6cf
Fixed · RHSA-2013:0548
CloudForms for RHEL 6
rubygem-delayed_job-0:2.1.4-3.el6cf
Fixed · RHSA-2013:0548
CloudForms for RHEL 6
rubygem-nokogiri-0:1.5.0-0.9.beta4.el6cf
Fixed · RHSA-2013:0548
CloudForms for RHEL 6
rubygem-rack-1:1.3.0-3.el6cf
Fixed · RHSA-2013:0548
CloudForms for RHEL 6
rubygem-rails_warden-0:0.5.5-2.el6cf
Fixed · RHSA-2013:0548
CloudForms for RHEL 6
rubygem-rdoc-0:3.8-6.el6cf
Fixed · RHSA-2013:0548
CloudForms for RHEL 6
rubygem-rspec-rails-0:2.6.1-7.el6cf
Fixed · RHSA-2013:0548
CloudForms for RHEL 6
rubygem-ruby_parser-0:2.0.4-6.el6cf
Fixed · RHSA-2013:0548
CloudForms for RHEL 6
rubygem-shoulda-0:2.11.3-5.el6cf
Fixed · RHSA-2013:0548
Red Hat Subscription Asset Manager 1.2
apache-commons-codec-0:1.7-2.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
apache-mime4j-0:0.6-4_redhat_1.ep6.el6.1
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
candlepin-0:0.7.23-1.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
elasticsearch-0:0.19.9-5.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
katello-0:1.2.1-15h.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
katello-certs-tools-0:1.2.1-1h.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
katello-cli-0:1.2.1-12h.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
katello-configure-0:1.2.3-3h.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
katello-selinux-0:1.2.1-2h.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
lucene3-0:3.6.1-10h.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
puppet-0:2.6.17-2.el6cf
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
quartz-0:2.1.5-4.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
rubygem-activesupport-1:3.0.10-10.el6cf
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
rubygem-apipie-rails-0:0.0.12-2.el6cf
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
rubygem-ldap_fluff-0:0.1.3-1.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
rubygem-mail-0:2.3.0-3.el6cf
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
rubygem-rack-1:1.3.0-3.el6cf
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
rubygem-ruby_parser-0:2.0.4-6.el6cf
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
sigar-0:1.6.5-0.12.git58097d9h.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
snappy-java-0:1.0.4-2.el6_3
Fixed · RHSA-2013:0544
Red Hat Subscription Asset Manager 1.2
thumbslug-0:0.0.28-1.el6_3
Fixed · RHSA-2013:0544
OpenShift Enterprise 1
rubygem-rack
Will not fix
OpenShift Enterprise 1
rubygem193-rack
Will not fix
Red Hat Enterprise MRG 2
rubygem-rack
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| CloudForms for RHEL 6 | rubygem-activesupport-1:3.0.10-10.el6cf | Fixed | RHSA-2013:0548 |
| CloudForms for RHEL 6 | rubygem-delayed_job-0:2.1.4-3.el6cf | Fixed | RHSA-2013:0548 |
| CloudForms for RHEL 6 | rubygem-nokogiri-0:1.5.0-0.9.beta4.el6cf | Fixed | RHSA-2013:0548 |
| CloudForms for RHEL 6 | rubygem-rack-1:1.3.0-3.el6cf | Fixed | RHSA-2013:0548 |
| CloudForms for RHEL 6 | rubygem-rails_warden-0:0.5.5-2.el6cf | Fixed | RHSA-2013:0548 |
| CloudForms for RHEL 6 | rubygem-rdoc-0:3.8-6.el6cf | Fixed | RHSA-2013:0548 |
| CloudForms for RHEL 6 | rubygem-rspec-rails-0:2.6.1-7.el6cf | Fixed | RHSA-2013:0548 |
| CloudForms for RHEL 6 | rubygem-ruby_parser-0:2.0.4-6.el6cf | Fixed | RHSA-2013:0548 |
| CloudForms for RHEL 6 | rubygem-shoulda-0:2.11.3-5.el6cf | Fixed | RHSA-2013:0548 |
| Red Hat Subscription Asset Manager 1.2 | apache-commons-codec-0:1.7-2.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | apache-mime4j-0:0.6-4_redhat_1.ep6.el6.1 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | candlepin-0:0.7.23-1.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | elasticsearch-0:0.19.9-5.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | katello-0:1.2.1-15h.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | katello-certs-tools-0:1.2.1-1h.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | katello-cli-0:1.2.1-12h.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | katello-configure-0:1.2.3-3h.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | katello-selinux-0:1.2.1-2h.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | lucene3-0:3.6.1-10h.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | puppet-0:2.6.17-2.el6cf | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | quartz-0:2.1.5-4.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | rubygem-activesupport-1:3.0.10-10.el6cf | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | rubygem-apipie-rails-0:0.0.12-2.el6cf | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | rubygem-ldap_fluff-0:0.1.3-1.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | rubygem-mail-0:2.3.0-3.el6cf | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | rubygem-rack-1:1.3.0-3.el6cf | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | rubygem-ruby_parser-0:2.0.4-6.el6cf | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | sigar-0:1.6.5-0.12.git58097d9h.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | snappy-java-0:1.0.4-2.el6_3 | Fixed | RHSA-2013:0544 |
| Red Hat Subscription Asset Manager 1.2 | thumbslug-0:0.0.28-1.el6_3 | Fixed | RHSA-2013:0544 |
| OpenShift Enterprise 1 | rubygem-rack | Will not fix | n/a |
| OpenShift Enterprise 1 | rubygem193-rack | Will not fix | n/a |
| Red Hat Enterprise MRG 2 | rubygem-rack | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.72% (0.02717) | 85.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.72% (0.02717) | 84.04th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.91% (0.00907) | 73.66th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.11% (0.02115) | 73.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.91% (0.00907) | 74.15th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.04% (0.01038) | 84.60th | v3 (v2023.03.01) |
| May 2, 2024 | 1.22% (0.01224) | 85.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.22% (0.01224) | 83.19th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.32% (0.01319) | 70.74th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.54% (0.01537) | 73.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (15)
- http://rack.github.com/ x_refsource_CONFIRM
- http://rhn.redhat.com/errata/RHSA-2013-0544.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2013-0548.html vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2013:0544
- https://access.redhat.com/security/cve/CVE-2012-6109 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=895277 x_refsource_MISCIssue Tracking
- https://github.com/advisories/GHSA-h77x-m5q8-c29h Advisory
- https://github.com/rack/rack/blob/master/README.rdoc x_refsource_CONFIRM
- https://github.com/rack/rack/commit/c9f65df37a151821eb88ddd1dc404b83e52c52d5 x_refsource_CONFIRM
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2012-6109.yml
- https://groups.google.com/forum/#!msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ
- https://groups.google.com/forum/#%21msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2012-6109
- https://rhn.redhat.com/errata/RHSA-2013-0544.html
- https://www.cve.org/CVERecord?id=CVE-2012-6109
Change history (0)
No recorded changes yet.