Improper verification of cryptographic signature in desktop - CVE-2023-29000
Published: April 7, 2023 / Updated: April 7, 2023
Vulnerability identifier: #VU74597
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-29000
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
desktop
desktop
Software vendor:
Nextcloud
Nextcloud
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to desktop client does not verify received signed certificate in the end-to-end encryption. A remote attacker with control over a malicious server can trick the application into encrypting files with a key known to the attacker.
Remediation
Install updates from vendor's website.