Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion.
Weakness
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Brasil_vivo_play_firmware | Telefonica | 2023.04.04.01.06.15 (including) | 2023.04.04.01.06.15 (including) |
Potential Mitigations
Related Attack Patterns
References
- https://medium.com/%40shooterRX/dns-recursion-leads-to-dos-attack-vivo-play-iptv-cve-2023-31893-b5ac45f38f
- https://www.cert.br/docs/whitepapers/dns-recursivo-aberto/
- https://medium.com/%40shooterRX/dns-recursion-leads-to-dos-attack-vivo-play-iptv-cve-2023-31893-b5ac45f38f
- https://www.cert.br/docs/whitepapers/dns-recursivo-aberto/