CVE-2017-9264
openvswitch: Buffer over-read while parsing malformed TCP, UDP and IPv6 packets
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut NVD, Photon OS. Niedriger laut Red Hat (mittel), Ubuntu (mittel).
Beschreibung
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.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| 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 |
Referenzen
- 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