Vulnerability Details : CVE-2012-6109
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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2012-6109
Probability of exploitation activity in the next 30 days: 1.22%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 84 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2012-6109
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
References for CVE-2012-6109
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https://groups.google.com/forum/#%21msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ
Sign in - Google Accounts
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https://github.com/rack/rack/blob/master/README.rdoc
rack/README.rdoc at master · rack/rack · GitHub
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https://bugzilla.redhat.com/show_bug.cgi?id=895277
895277 – (CVE-2012-6109) CVE-2012-6109 rubygem-rack: parsing Content-Disposition header DoS
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http://rack.github.com/
Rack: a Ruby Webserver Interface
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http://rhn.redhat.com/errata/RHSA-2013-0544.html
RHSA-2013:0544 - Security Advisory - Red Hat Customer Portal
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http://rhn.redhat.com/errata/RHSA-2013-0548.html
Red Hat Customer Portal
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https://github.com/rack/rack/commit/c9f65df37a151821eb88ddd1dc404b83e52c52d5
Fix parsing performance for unquoted filenames · rack/rack@c9f65df · GitHub
Products affected by CVE-2012-6109
- cpe:2.3:a:rack_project:rack:*:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:0.4:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:0.3:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:0.2:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:0.1:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:0.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:0.9:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:rack_project:rack:1.4.1:*:*:*:*:*:*:*