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Vulnerability Details : CVE-2017-0902

RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.
Publish Date : 2017-08-31 Last Update Date : 2019-10-09
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
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)
CWE ID 346

- 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-2017-0902

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 14.04 ~~lts~~~ Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 16.04 ~~lts~~~ Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 17.10 Version Details Vulnerabilities
4 OS Debian Debian Linux 8.0 Version Details Vulnerabilities
5 OS Debian Debian Linux 9.0 Version Details Vulnerabilities
6 OS Redhat Enterprise Linux Desktop 7.0 Version Details Vulnerabilities
7 OS Redhat Enterprise Linux Server 7.0 Version Details Vulnerabilities
8 OS Redhat Enterprise Linux Server Aus 7.4 Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Server Aus 7.6 Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Server Eus 7.4 Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Server Eus 7.5 Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Server Eus 7.6 Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Server Tus 7.4 Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Server Tus 7.6 Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Workstation 7.0 Version Details Vulnerabilities
16 Application Rubygems Rubygems 2.6.12 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 3
Debian Debian Linux 2
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Server Aus 2
Redhat Enterprise Linux Server Eus 3
Redhat Enterprise Linux Server Tus 2
Redhat Enterprise Linux Workstation 1
Rubygems Rubygems 1

- References For CVE-2017-0902

https://usn.ubuntu.com/3685-1/
UBUNTU USN-3685-1
https://www.debian.org/security/2017/dsa-3966
DEBIAN DSA-3966
http://blog.rubygems.org/2017/08/27/2.6.13-released.html
https://access.redhat.com/errata/RHSA-2017:3485
REDHAT RHSA-2017:3485
https://access.redhat.com/errata/RHSA-2018:0583
REDHAT RHSA-2018:0583
https://security.gentoo.org/glsa/201710-01
GENTOO GLSA-201710-01
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
MLIST [debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update
https://hackerone.com/reports/218088
https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32
https://access.redhat.com/errata/RHSA-2018:0585
REDHAT RHSA-2018:0585
https://usn.ubuntu.com/3553-1/
UBUNTU USN-3553-1
https://access.redhat.com/errata/RHSA-2018:0378
REDHAT RHSA-2018:0378
http://www.securityfocus.com/bid/100586
BID 100586 RubyGems CVE-2017-0902 Security Bypass Vulnerability Release Date:2017-08-31
http://www.securitytracker.com/id/1039249
SECTRACK 1039249

- Metasploit Modules Related To CVE-2017-0902

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


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