Out-of-bounds Read in Openvswitch
CVE-2018-17206
An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6. The decode_bundle function inside lib/ofp-actions.c is affected by a buffer over-read issue during BUNDLE action decoding.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Openvswitch
- Canonical Ubuntu Linux — versions 16.04, 18.04
- Debian Linux — versions 9.0
- Red Hat OpenStack — versions 10, 13
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2019:0053 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3873-1/ (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:3500 (vendor-advisory, Third Party Advisory)
- github.com/openvswitch/ovs/commit/9237a63c47bd314b807cda0bd2216264e82edbe8 (Patch, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:0081 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/02/msg00032.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-17206?
- CVE-2018-17206 is a medium-severity vulnerability in Openvswitch, classified under Out-of-bounds Read. CVSS score: 4.9/10. Published 2018-09-19.
- How severe is CVE-2018-17206?
- Medium severity. CVSS v3 base score is 4.9 out of 10.