CVE-2023-23943
5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Summary
Nextcloud mail is an email app for the nextcloud home server platform. In affected versions the SMTP, IMAP and Sieve host fields allowed to scan for internal services and servers reachable from within the local network of the Nextcloud Server. It is recommended that the Nextcloud Maill app is upgraded to 1.15.0 or 2.2.2. The only known workaround for this issue is to completely disable the nextcloud mail app.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nextcloud | security-advisories | >= 2.0.0, < 2.2.2 | affected |
| nextcloud | security-advisories | < 1.15.0 | affected |
Weaknesses
- CWE-918: CWE-918: Server-Side Request Forgery (SSRF)
ADP Enrichment
CVE Program Container
Additional References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8gcx-r739-9pf6
- https://github.com/nextcloud/mail/pull/7796
- https://hackerone.com/reports/1736390
- https://hackerone.com/reports/1741525
- https://hackerone.com/reports/1746582
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8gcx-r739-9pf6
- https://github.com/nextcloud/mail/pull/7796
- https://hackerone.com/reports/1736390
- https://hackerone.com/reports/1741525
- https://hackerone.com/reports/1746582
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