#VU70716 Permissions, Privileges, and Access Controls in memos - CVE-2022-4863

Vulnerability identifier: #VU70716

Vulnerability risk: Low

CVSSv4.0: 7.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-4863

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
memos
Web applications / Modules and components for CMS

Vendor: memos

Description

The vulnerability allows a local attacker to escalate privileges on the system.

The vulnerability exists due to improper handling of insufficient permissions or privileges. A local attacker can send a specially crafted request to ARCHIVE and Delete OWN Admin Account.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

memos: 0.0.1 - 0.9.0

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External links
https://github.com/usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53
https://huntr.dev/bounties/42751929-e511-49a9-888d-d5b610da2a45

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.