medium4.3
CVE-2023-26432
When adding an external mail account, processing of SMTP "capabilities" responses are not limited to plausible sizes.
Impact
When adding an external mail account, processing of SMTP "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue SMTP service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted SMTP server response to reasonable length/size. No publicly available exploits are known.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Open-Xchange | Open-Xchange Appsuite Backend | before 7.10.6 from 8.0.0 before 8.11.0 Version 7.10.6 |
Weakness classification
References
- NVD record
- CVE.org record
- http://packetstormsecurity.com/files/173083/OX-App-Suite-SSRF-Resource-Consumption-Command-Injection.html
- http://seclists.org/fulldisclosure/2023/Jun/8
- https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0002.json
- https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6219_7.10.6_2023-03-20.pdf
- http://packetstormsecurity.com/files/173083/OX-App-Suite-SSRF-Resource-Consumption-Command-Injection.html
- http://seclists.org/fulldisclosure/2023/Jun/8
- https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0002.json
- https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6219_7.10.6_2023-03-20.pdf