4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.012 Low
EPSS
Percentile
85.0%
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.
access.redhat.com/errata/RHSA-2013:0544
access.redhat.com/security/cve/CVE-2012-6109
bugzilla.redhat.com/show_bug.cgi?id=895277
github.com/rack/rack
github.com/rack/rack/blob/master/README.rdoc
github.com/rack/rack/commit/c9f65df37a151821eb88ddd1dc404b83e52c52d5
github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2012-6109.yml
groups.google.com/forum/#!msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ
groups.google.com/forum/#%21msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ
nvd.nist.gov/vuln/detail/CVE-2012-6109
rhn.redhat.com/errata/RHSA-2013-0544.html