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MitreCVE-2020-25613

HistoryOct 06, 2020 - 1:15 p.m.

CVE-2020-25613

2020-10-0613:15:13

CWE-444

mitre

web.nvd.nist.gov

492

ruby

http

request smuggling

cve-2020-25613

security

vulnerability

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

AI Score

7.7

Confidence

High

EPSS

0.004

Percentile

73.3%

JSON

An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy (which also has a poor header check), which may lead to an HTTP Request Smuggling attack.

Affected configurations

Nvd

Node

ruby-langrubyRange≤2.5.8

ruby-langrubyRange2.6.0–2.6.6

ruby-langrubyRange2.7.0–2.7.1

ruby-langwebrickRange≤1.6.0ruby

Node

fedoraprojectfedoraMatch32

fedoraprojectfedoraMatch33

VendorProductVersionCPE
ruby-langruby*cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*
ruby-langwebrick*cpe:2.3:a:ruby-lang:webrick:*:*:*:*:*:ruby:*:*
fedoraprojectfedora32cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
ruby-lang	ruby	*	cpe:2.3:a:ruby-lang:ruby::::::::
ruby-lang	webrick	*	cpe:2.3:a:ruby-lang:webrick::::::ruby::*
fedoraproject	fedora	32	cpe:2.3:o:fedoraproject:fedora:32:::::::*
fedoraproject	fedora	33	cpe:2.3:o:fedoraproject:fedora:33:::::::*