CVE-2018-17204

An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6, affecting parse_group_prop_ntr_selection_method in lib/ofp-util.c

published September 19, 2018

CVSS
—
EPSS
2%
Percentile
79.6
In the wild
Unconfirmed
What it is

An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6, affecting parse_group_prop_ntr_selection_method in lib/ofp-util.c. When decoding a group mod, it validates the group type and command after the whole group mod has been decoded. The OF1.5 decoder, however, tries to use the type and command earlier, when it might still be invalid. This causes an assertion failure (via OVS_NOT_REACHED). ovs-vswitchd does not enable support for OpenFlow 1.5 by default.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01911 · 79.6th percentile
Published
2018-09-19T16:00Z
EPSS history
Timeline
  • 19 SEP 16:00Z
    An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6, affecting parse_group_prop_ntr_selection_method in lib/ofp-util.c
    cvelistv5