Veracode Vulnerability DatabaseVERACODE:30297Dependency Confusion
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
Bundler is vulnerable to dependency confusion. The way of choosing a dependency source based on the highest gem version number by the package installer results in pulling a malicious gem from a public repository instead of its intended private gem even if it is a dependency of another private gem.
| CPE | Name | Operator | Version |
|---|---|---|---|
| bundler | le | 2.2.9 | |
| bundler | le | 2.2.13 | |
| rh-ruby26-ruby | eq | 2.6.2__118.el7 |
References
bundler.io/blog/2021/02/15/a-more-secure-bundler-we-fixed-our-source-priorities.html
github.com/rubygems/rubygems/commit/4346a8bb5d58c5026ad48f18e9da3dcee8c7b198
github.com/rubygems/rubygems/issues/3982
lists.fedoraproject.org/archives/list/[email protected]/message/MWXHK5UUHVSHF7HTHMX6JY3WXDVNIHSL/
mensfeld.pl/2021/02/rubygems-dependency-confusion-attack-side-of-things/
msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-24105
www.zofrex.com/blog/2021/04/29/bundler-still-vulnerable-dependency-confusion-cve-2020-36327/
Related
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C