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CVE-2017-10784

Published: Sep 19, 2017Updated: May 13, 2026 Sources: CVE List NVD GHSA BDUCWE-287
NVD MITRE
8.8CVSSHIGH
EPSS Score
16.4%
Top 3.4%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-287

Affected Products

RubyRuby Team
LibraryLibrary
OSS Libraries / rubygems
n/an/a
rubyruby-lang
Library
OSS Libraries / generic-library
webrickRubyGemsOSS Libraries
ruby teamoss-projectOSS Librariesaka ruby team, ruby-lang
ruby-langoss-projectOSS Librariesaka ruby, rexml
rubygemspackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

http://www.securityfocus.com/bid/100853
securityfocus.com
http://www.securitytracker.com/id/1039363
securitytracker.com
https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released/
ruby-lang.org
and 31 more references View all →

Timeline

Published
Sep 19, 2017
Last Updated
May 13, 2026

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