CVE-2021-44847
A stack-based buffer overflow in handle_request function in DHT.c in t ...
Severidad por fuente
La etiqueta propia de Trivy es CRITICAL. Crítica según NVD. Más baja según Ubuntu (media).
Descripción
A stack-based buffer overflow in handle_request function in DHT.c in toxcore 0.1.9 through 0.1.11 and 0.2.0 through 0.2.12 (caused by an improper length calculation during the handling of received network packets) allows remote attackers to crash the process or potentially execute arbitrary code via a network packet.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| debian 10 | libtoxcore | sin corrección indicada |
| debian 11 | libtoxcore | sin corrección indicada |
| debian 12 | libtoxcore | 0.2.13-1 |
| debian 13 | libtoxcore | 0.2.13-1 |
| debian 14 | libtoxcore | 0.2.13-1 |
| echo | libtoxcore | 0.2.13-1 |
| ubuntu 20.04-ESM | libtoxcore | sin corrección indicada |
| ubuntu 22.04 | libtoxcore | 0.2.13-1 |
| ubuntu 22.10 | libtoxcore | 0.2.13-1 |
| ubuntu 23.04 | libtoxcore | 0.2.13-1 |
| ubuntu 23.10 | libtoxcore | 0.2.13-1 |
| ubuntu 24.04 | libtoxcore | 0.2.13-1 |
Mostrar las 17 entradas de 17 fuentes
| Fuente | Paquete | Corregido en |
|---|---|---|
| debian 10 | libtoxcore | sin corrección indicada |
| debian 11 | libtoxcore | sin corrección indicada |
| debian 12 | libtoxcore | 0.2.13-1 |
| debian 13 | libtoxcore | 0.2.13-1 |
| debian 14 | libtoxcore | 0.2.13-1 |
| echo | libtoxcore | 0.2.13-1 |
| ubuntu 20.04-ESM | libtoxcore | sin corrección indicada |
| ubuntu 22.04 | libtoxcore | 0.2.13-1 |
| ubuntu 22.10 | libtoxcore | 0.2.13-1 |
| ubuntu 23.04 | libtoxcore | 0.2.13-1 |
| ubuntu 23.10 | libtoxcore | 0.2.13-1 |
| ubuntu 24.04 | libtoxcore | 0.2.13-1 |
| ubuntu 24.10 | libtoxcore | 0.2.13-1 |
| ubuntu 25.04 | libtoxcore | 0.2.13-1 |
| ubuntu 25.10 | libtoxcore | 0.2.13-1 |
| ubuntu 26.04 | libtoxcore | 0.2.13-1 |
| ubuntu 26.10 | libtoxcore | 0.2.13-1 |
Referencias
- https://blog.tox.chat/2021/12/stack-based-buffer-overflow-vulnerability-in-udp-packet-handling-in-toxcore-cve-2021-44847/
- https://github.com/TokTok/c-toxcore/pull/1718
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S7EBS3NIRYJ7V3PTNINP3PJSVUHGZTGA/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLTKINSPO5T65LB3ZASDPCREKUE22RYE/
- https://www.cve.org/CVERecord?id=CVE-2021-44847