Vulnerability Name:

CVE-2018-3779 (CCN-148254)

Assigned:2017-12-28
Published:2018-08-07
Updated:2019-10-09
Summary:active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.6 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
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): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:R)
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): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-3779

Source: XF
Type: UNKNOWN
rubygems-cve20183779-code-exec(148254)

Source: CCN
Type: Hackerone Web site
Malware in `active-support` gem

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://hackerone.com/reports/392311

Source: CCN
Type: RubyGems Web site
activesupport | RubyGems.org | your community gem host

Vulnerable Configuration:Configuration 1:
  • cpe:/a:activesupport_project:activesupport:5.2.0:*:*:*:*:ruby:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:201837790000000
    V
    		CVE-2018-3779 on Ubuntu 19.04 (disco) - high.
    2018-08-10
    oval:com.ubuntu.bionic:def:20183779000
    V
    		CVE-2018-3779 on Ubuntu 18.04 LTS (bionic) - high.
    2018-08-10
    oval:com.ubuntu.cosmic:def:201837790000000
    V
    		CVE-2018-3779 on Ubuntu 18.10 (cosmic) - high.
    2018-08-10
    oval:com.ubuntu.cosmic:def:20183779000
    V
    		CVE-2018-3779 on Ubuntu 18.10 (cosmic) - high.
    2018-08-10
    oval:com.ubuntu.bionic:def:201837790000000
    V
    		CVE-2018-3779 on Ubuntu 18.04 LTS (bionic) - high.
    2018-08-10
    oval:com.ubuntu.trusty:def:20183779000
    V
    		CVE-2018-3779 on Ubuntu 14.04 LTS (trusty) - high.
    2018-08-10
    oval:com.ubuntu.xenial:def:201837790000000
    V
    		CVE-2018-3779 on Ubuntu 16.04 LTS (xenial) - high.
    2018-08-10
    oval:com.ubuntu.xenial:def:20183779000
    V
    		CVE-2018-3779 on Ubuntu 16.04 LTS (xenial) - high.
    2018-08-10
    BACK
    activesupport_project activesupport 5.2.0