Staging Environment: Content and features may be unstable or change without notice.
Advisory details: gitlab / gem/dragonfly/CVE-2021-33473
Advisory ID gitlab/gem/dragonfly/CVE-2021-33473
Aliases CVE-2021-33473
GHSA-fj34-jhjx-xmvv
Summary Arbitrary file write in dragonfly An argument injection vulnerability in Dragonfly Ruby Gem v1.3.0 allows attackers to read and write arbitrary files when the verify_url option is disabled. This vulnerability is exploited via a crafted URL.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
System Score Found at
cvssv2 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/dragonfly/CVE-2021-33473.yml
cvssv3.1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/dragonfly/CVE-2021-33473.yml
Reference id Reference type URL
https://github.com/markevans/dragonfly/commit/25399297bb457f7fcf8e3f91e85945b255b111b5
https://github.com/markevans/dragonfly/issues/513
CVE-2021-33473 https://nvd.nist.gov/vuln/detail/CVE-2021-33473
GHSA-fj34-jhjx-xmvv https://github.com/advisories/GHSA-fj34-jhjx-xmvv
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: AV:N/AC:M/Au:S/C:P/I:P/A:N Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/dragonfly/CVE-2021-33473.yml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/dragonfly/CVE-2021-33473.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.