Vulnerability Name:

CVE-2012-2126 (CCN-87742)

Assigned:2012-04-19
Published:2012-04-19
Updated:2014-01-14
Summary:RubyGems before 1.8.23 does not verify an SSL certificate, which allows remote attackers to modify a gem during installation via a man-in-the-middle attack.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
3.2 Low (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.3 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
3.2 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.0 Medium (REDHAT CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:P/A:N)
3.0 Low (REDHAT Temporal CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-310
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2012-2126

Source: REDHAT
Type: UNKNOWN
RHSA-2013:1203

Source: CCN
Type: RHSA-2013-1441
Moderate: rubygems security update

Source: REDHAT
Type: UNKNOWN
RHSA-2013:1441

Source: CCN
Type: RHSA-2013-1852
Moderate: Red Hat Enterprise MRG Grid 2.4 security update

Source: REDHAT
Type: UNKNOWN
RHSA-2013:1852

Source: SECUNIA
Type: UNKNOWN
55381

Source: MLIST
Type: UNKNOWN
[oss-security] 20120420 Re: CVE Request -- rubygems: Two security fixes in upstream v1.8.23 version

Source: UBUNTU
Type: UNKNOWN
USN-1582-1

Source: CCN
Type: Red Hat Bugzilla Bug 814718
(CVE-2012-2125, CVE-2012-2126) CVE-2012-2125 CVE-2012-2126 rubygems: Two security fixes in v1.8.23

Source: MISC
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=814718

Source: XF
Type: UNKNOWN
rubygems-cve20122126-sec-bypass(87742)

Source: CCN
Type: RubyGems GIT Repository
RubyGems

Source: CONFIRM
Type: Patch, Vendor Advisory
https://github.com/rubygems/rubygems/blob/1.8/History.txt

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2012-2126

Vulnerable Configuration:Configuration 1:
  • cpe:/a:rubygems:rubygems:1.8.0:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.1:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.2:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.3:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.4:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.5:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.6:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.7:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.8:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.9:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.10:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.11:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.12:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.13:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.14:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.15:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.16:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.17:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.18:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.19:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.20:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:1.8.21:*:*:*:*:*:*:*
  • OR cpe:/a:rubygems:rubygems:*:*:*:*:*:*:*:* (Version <= 1.8.22)
  • AND
  • cpe:/a:redhat:openshift:1.2.2:*:*:*:enterprise:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:6:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:6::client:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:6::computenode:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:6::server:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:6::workstation:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:rubyforge:rubygems:0.8.11:*:*:*:*:*:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux:6::server:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:6::workstation:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_desktop:6:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_hpc_node:6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:18016
    P
    		USN-1582-1 -- rubygems vulnerabilities
    2014-07-21
    oval:org.mitre.oval:def:17580
    P
    		USN-1583-1 -- ruby1.9.1 vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:23772
    P
    		ELSA-2013:1441: rubygems security update (Moderate)
    2014-05-26
    oval:org.mitre.oval:def:20861
    P
    		RHSA-2013:1441: rubygems security update (Moderate)
    2014-02-17
    oval:com.redhat.rhsa:def:20131441
    P
    		RHSA-2013:1441: rubygems security update (Moderate)
    2013-10-17
    oval:com.ubuntu.cosmic:def:201221260000000
    V
    		CVE-2012-2126 on Ubuntu 18.10 (cosmic) - medium.
    2013-10-01
    oval:com.ubuntu.precise:def:20122126000
    V
    		CVE-2012-2126 on Ubuntu 12.04 LTS (precise) - medium.
    2013-10-01
    oval:com.ubuntu.artful:def:20122126000
    V
    		CVE-2012-2126 on Ubuntu 17.10 (artful) - medium.
    2013-10-01
    oval:com.ubuntu.bionic:def:201221260000000
    V
    		CVE-2012-2126 on Ubuntu 18.04 LTS (bionic) - medium.
    2013-10-01
    oval:com.ubuntu.trusty:def:20122126000
    V
    		CVE-2012-2126 on Ubuntu 14.04 LTS (trusty) - medium.
    2013-10-01
    oval:com.ubuntu.bionic:def:20122126000
    V
    		CVE-2012-2126 on Ubuntu 18.04 LTS (bionic) - medium.
    2013-10-01
    oval:com.ubuntu.xenial:def:201221260000000
    V
    		CVE-2012-2126 on Ubuntu 16.04 LTS (xenial) - medium.
    2013-10-01
    oval:com.ubuntu.xenial:def:20122126000
    V
    		CVE-2012-2126 on Ubuntu 16.04 LTS (xenial) - medium.
    2013-10-01
    oval:com.ubuntu.cosmic:def:20122126000
    V
    		CVE-2012-2126 on Ubuntu 18.10 (cosmic) - medium.
    2013-10-01
    BACK
    rubygems rubygems 1.8.0
    rubygems rubygems 1.8.1
    rubygems rubygems 1.8.2
    rubygems rubygems 1.8.3
    rubygems rubygems 1.8.4
    rubygems rubygems 1.8.5
    rubygems rubygems 1.8.6
    rubygems rubygems 1.8.7
    rubygems rubygems 1.8.8
    rubygems rubygems 1.8.9
    rubygems rubygems 1.8.10
    rubygems rubygems 1.8.11
    rubygems rubygems 1.8.12
    rubygems rubygems 1.8.13
    rubygems rubygems 1.8.14
    rubygems rubygems 1.8.15
    rubygems rubygems 1.8.16
    rubygems rubygems 1.8.17
    rubygems rubygems 1.8.18
    rubygems rubygems 1.8.19
    rubygems rubygems 1.8.20
    rubygems rubygems 1.8.21
    rubygems rubygems *
    redhat openshift 1.2.2
    canonical ubuntu linux 12.04 -
    rubyforge rubygems 0.8.11
    redhat enterprise linux 6
    redhat enterprise linux 6
    redhat enterprise linux desktop 6
    redhat enterprise linux hpc node 6