CVE-2017-9264

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html	Mailing List Patch Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:2727
https://access.redhat.com/errata/RHSA-2017:2648
https://access.redhat.com/errata/RHSA-2017:2418

Configurations

Configuration 1 (hide)

cpe:2.3:a:openvswitch:openvswitch:2.6.1:*:*:*:*:*:*:*

Information

Published : 2017-05-28 21:29

Updated : 2019-10-02 17:03

NVD link : CVE-2017-9264

Mitre link : CVE-2017-9264

JSON object : View

CWE

CWE-125

Out-of-bounds Read

Products Affected

openvswitch

openvswitch

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9.8 /10