Ubuntu update for etcd
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-28235 |
| CWE-ID | CWE-285 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system etcd-client (Ubuntu package) Operating systems & Components / Operating system package or component etcd-server (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Improper Authorization
EUVDB-ID: #VU75512
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-28235
CWE-ID:
CWE-285 - Improper Authorization
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the system.
The vulnerability exists due to missing authorization to the "/debug" feature. A remote non-authenticated attacker can access the "/debug/requests" endpoint and gain unauthorized access to the application.
Update the affected package etcd to the latest version.
Vulnerable software versionsUbuntu: 22.10 - 23.04
etcd-client (Ubuntu package): before 3.4.23-4ubuntu0.1
etcd-server (Ubuntu package): before 3.4.23-4ubuntu0.1
External linkshttp://ubuntu.com/security/notices/USN-6189-1
Q & A
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.
