CVE-2017-9264

Publication date 29 May 2017

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Status

Package Ubuntu Release Status
openvswitch 17.04 zesty
Fixed 2.6.1-0ubuntu5.1
16.10 yakkety Ignored end of life
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
openvswitch

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3450-1
    • Open vSwitch vulnerabilities
    • 11 October 2017

Other references