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RubySecRUBY:RACK-2012-6109-89317

HistoryMay 03, 2012 - 8:00 p.m.

CVE-2012-6109 rubygem-rack: parsing Content-Disposition header DoS

2012-05-0320:00:00

RubySec

rubysec.com

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

85.4%

JSON

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.

CPENameOperatorVersion
rackle1.1.3
rackge1.2.0
rackle1.2.5
rackge1.3.0
rackle1.3.6
rackge1.4.0
racklt1.4.2

Name	Operator	Version
rack	le	1.1.3
rack	ge	1.2.0
rack	le	1.2.5
rack	ge	1.3.0
rack	le	1.3.6
rack	ge	1.4.0
rack	lt	1.4.2

References

nvd.nist.gov/vuln/detail/CVE-2012-6109

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

85.4%

JSON

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