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Vulnerability Details : CVE-2017-10784

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.
Publish Date : 2017-09-19 Last Update Date : 2018-10-31
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 287

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2018:0378: ruby security update (Important) oval:com.redhat.rhsa:def:20180378 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2017-10784

# Product Type Vendor Product Version Update Edition Language
1 Application Ruby-lang Ruby 2.2.7 Version Details Vulnerabilities
2 Application Ruby-lang Ruby 2.3.0 Preview2 Version Details Vulnerabilities
3 Application Ruby-lang Ruby 2.3.0 Version Details Vulnerabilities
4 Application Ruby-lang Ruby 2.3.0 Preview1 Version Details Vulnerabilities
5 Application Ruby-lang Ruby 2.3.1 Version Details Vulnerabilities
6 Application Ruby-lang Ruby 2.3.2 Version Details Vulnerabilities
7 Application Ruby-lang Ruby 2.3.3 Version Details Vulnerabilities
8 Application Ruby-lang Ruby 2.3.4 Version Details Vulnerabilities
9 Application Ruby-lang Ruby 2.4.0 Version Details Vulnerabilities
10 Application Ruby-lang Ruby 2.4.0 Preview1 Version Details Vulnerabilities
11 Application Ruby-lang Ruby 2.4.0 Preview2 Version Details Vulnerabilities
12 Application Ruby-lang Ruby 2.4.0 Preview3 Version Details Vulnerabilities
13 Application Ruby-lang Ruby 2.4.0 RC1 Version Details Vulnerabilities
14 Application Ruby-lang Ruby 2.4.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Ruby-lang Ruby 14

- References For CVE-2017-10784
SECTRACK 1042004
MLIST [debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update
REDHAT RHSA-2018:0378
REDHAT RHSA-2018:0583
REDHAT RHSA-2018:0585
GENTOO GLSA-201710-18
REDHAT RHSA-2017:3485
SECTRACK 1039363
BID 100853 Ruby CVE-2017-10784 Security Bypass Vulnerability Release Date:2017-09-14

- Metasploit Modules Related To CVE-2017-10784

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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