Insufficient Session Expiration in Nexrcloud Server and Enterprise Server



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-32318
CWE-ID CWE-613
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Nextcloud Server
Client/Desktop applications / Messaging software

Nextcloud Enterprise Server
Client/Desktop applications / Messaging software

Vendor Nextcloud

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Insufficient Session Expiration

EUVDB-ID: #VU76588

Risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-32318

CWE-ID: CWE-613 - Insufficient Session Expiration

Exploit availability: No

Description

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

The vulnerability exists due to insufficient session expiration issue. A remote user can obtain or guess session token and gain unauthorized access to session that belongs to another user.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Nextcloud Server: 25.0.2 - 26.0.0

Nextcloud Enterprise Server: 25.0.2 - 26.0.0

CPE2.3 External links

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q8c4-chpj-6v38
https://github.com/nextcloud/text/pull/3946


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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