Incorrect Use of Privileged APIs in ownCloud Server - #VU25684
Published: February 28, 2020
Vulnerability identifier: #VU25684
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-648
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: ownCloud
Affected software:
ownCloud Server
ownCloud Server
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to all file-versions of a user.
The vulnerability exists due to the incorrect usage of privileged APIs. A remote authenticated attacker on the local network can access all versions of all files (even unshared) as soon as the owner of said files has at least one outgoing share with the attacker.
Remediation
Install updates from vendor's website.