9.8
CRITICAL
CVE-2018-1000076
RubyGems Improper Verification of Cryptographic Signature
Description

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Improper Verification of Cryptographic Signature vulnerability in package.rb that can result in a mis-signed gem could be installed, as the tarball would contain multiple gem signatures.. This vulnerability appears to have been fixed in 2.7.6.

INFO

Published Date :

March 13, 2018, 3:29 p.m.

Last Modified :

May 20, 2019, 1:29 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2018-1000076 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-1000076 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Rubygems rubygems
: Total Affected Vendor : 2 | Products : 2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-1000076.

URL Resource
http://blog.rubygems.org/2018/02/15/2.7.6-released.html Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
https://access.redhat.com/errata/RHSA-2018:3729
https://access.redhat.com/errata/RHSA-2018:3730
https://access.redhat.com/errata/RHSA-2018:3731
https://access.redhat.com/errata/RHSA-2019:2028
https://access.redhat.com/errata/RHSA-2020:0542
https://access.redhat.com/errata/RHSA-2020:0591
https://access.redhat.com/errata/RHSA-2020:0663
https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://lists.debian.org/debian-lts-announce/2019/05/msg00028.html
https://usn.ubuntu.com/3621-1/
https://www.debian.org/security/2018/dsa-4219
https://www.debian.org/security/2018/dsa-4259

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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vincent-deng/veracode-container-security-finding-parser

Map Vulnerabilities into Different Layers of the Container Image

Python

Updated: 1 year, 10 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2022, 12:07 p.m. This repo has been linked 1276 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-1000076 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-1000076 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 03, 2020

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2020:0663 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 25, 2020

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2020:0591 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 18, 2020

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2020:0542 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 06, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2028 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 21, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 20, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/05/msg00028.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 30, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:3731 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:3730 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:3729 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 03, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4259 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 15, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 10, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4219 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 25, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 07, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3621-1/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 05, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693 No Types Assigned https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693 Patch, Third Party Advisory
    Changed Reference Type http://blog.rubygems.org/2018/02/15/2.7.6-released.html No Types Assigned http://blog.rubygems.org/2018/02/15/2.7.6-released.html Vendor Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html Third Party Advisory
    Added CWE CWE-347
    Added CPE Configuration OR *cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* versions up to (including) 2.2.9
    Added CPE Configuration OR *cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* versions up to (including) 2.3.6
    Added CPE Configuration OR *cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* versions up to (including) 2.4.3
    Added CPE Configuration OR *cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* versions up to (including) 2.5.0
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 04, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 03, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-1000076 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-1000076 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.42 }} -0.13%

score

0.84993

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: