Vulnerability identifier: #VU27870
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-200
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Doorkeeper
Client/Desktop applications /
Other client software
Vendor: doorkeeper gem
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote attacker can retrieve the client secret only intended for the OAuth application owner.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Doorkeeper: 5.0.0 - 5.3.1
External links
http://github.com/doorkeeper-gem/doorkeeper/commit/25d038022c2fcad45af5b73f9d003cf38ff491f6
http://github.com/doorkeeper-gem/doorkeeper/releases
http://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-j7vx-8mqj-cqp9
http://github.com/rubysec/ruby-advisory-db/pull/446
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.