CVE-2017-9264
openvswitch: Buffer over-read while parsing malformed TCP, UDP and IPv6 packets
Severidad por fuente
La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, Photon OS. Más baja según Red Hat (media), Ubuntu (media).
Descripción
In lib/conntrack.c in the firewall implementation in Open vSwitch (OvS) 2.6.1, there is a buffer over-read while parsing malformed TCP, UDP, and IPv6 packets in the functions `extract_l3_ipv6`, `extract_l4_tcp`, and `extract_l4_udp` that can be triggered remotely.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| Photon OS 1.0 | openvswitch | 2.6.1-3.ph1 |
| debian 11 | openvswitch | 2.8.1+dfsg1-2 |
| debian 12 | openvswitch | 2.8.1+dfsg1-2 |
| debian 13 | openvswitch | 2.8.1+dfsg1-2 |
| debian 14 | openvswitch | 2.8.1+dfsg1-2 |
| echo | openvswitch | 2.8.1+dfsg1-2 |
| ubuntu 17.04 | openvswitch | 2.6.1-0ubuntu5.1 |
Referencias
- https://access.redhat.com/errata/RHSA-2017:2418
- https://access.redhat.com/errata/RHSA-2017:2648
- https://access.redhat.com/errata/RHSA-2017:2727
- https://access.redhat.com/security/cve/CVE-2017-9264
- https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html
- https://nvd.nist.gov/vuln/detail/CVE-2017-9264
- https://ubuntu.com/security/notices/USN-3450-1
- https://www.cve.org/CVERecord?id=CVE-2017-9264