Vulnerability Report

CVE-2021-22568

Title: OAuth2 access_token exposure in dart pub publish

Authentication Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2021-22568.

CWE Category CWE-668
Published Date Dec 09, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 8.8 CVSS v3.1
Exploit Probability (EPSS)
0.47%

Vulnerability Summary

CVE-2021-22568: When using the dart pub publish command to publish a package to a third-party package server, the request would be authenticated with an oauth2 access_token that is valid for publishing on pub.dev. Using these obtained credentials, an attacker can impersonate the user on pub.dev. We recommend upgrading past https://github.com/dart-lang/sdk/commit/d787e78d21e12ec1ef712d229940b1172aafcdf8 or beyond version 2.15.0

Impacted Vendors

D
dart 1

Reference Links

https://github.com/dart-lang/sdk/blob/main/CHANGELOG.md https://github.com/dart-lang/sdk/commit/d787e78d21e12ec1ef712d229940b1172aafcdf8 https://github.com/dart-lang/sdk/security/advisories/GHSA-r32f-vhjp-qhj7 https://github.com/dart-lang/sdk/blob/main/CHANGELOG.md https://github.com/dart-lang/sdk/commit/d787e78d21e12ec1ef712d229940b1172aafcdf8 https://github.com/dart-lang/sdk/security/advisories/GHSA-r32f-vhjp-qhj7
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:S/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-22568 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L

Affected Stack

No specific products linked.