SB2023040413 - Information disclosure in Nextcloud Server and Enterprise Server



SB2023040413 - Information disclosure in Nextcloud Server and Enterprise Server

Published: April 4, 2023

Security Bulletin ID SB2023040413
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (CVE-ID: CVE-2023-28835)

CWE-ID: CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to insecure randomness for default password in file sharing when password policy app is disabled. A remote user can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.