// For flags

CVE-2018-17206

openvswitch: Buffer over-read in lib/ofp-actions.c:decode_bundle()

Severity Score

4.9
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se ha descubierto un problema en Open vSwitch, en versiones 2.7.x hasta la 2.7.6. La función decode_bundle dentro de lib/ofp-actions.c se ve afectada por un problema de sobrelectura de búfer durante la decodificación de la acción BUNDLE.

An issue was discovered in Open vSwitch (OvS) 2.5.x through 2.5.5, 2.6.x through 2.6.3, 2.7.x through 2.7.6, 2.8.x through 2.8.4, and 2.9.x through 2.9.2 where the decode_bundle function inside lib/ofp-actions.c is affected by a buffer over-read issue during BUNDLE action decoding.
A specially crafted flow update applied using the bundling feature of Open vSwitch could potentially cause a crash leading to a denial of service.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-09-19 CVE Reserved
  • 2018-09-19 CVE Published
  • 2024-07-04 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Openvswitch
Search vendor "Openvswitch"
Openvswitch
Search vendor "Openvswitch" for product "Openvswitch"
>= 2.7.0 <= 2.7.6
Search vendor "Openvswitch" for product "Openvswitch" and version " >= 2.7.0 <= 2.7.6"
-
Affected
Redhat
Search vendor "Redhat"
Openstack
Search vendor "Redhat" for product "Openstack"
10
Search vendor "Redhat" for product "Openstack" and version "10"
-
Affected
Redhat
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Openstack
Search vendor "Redhat" for product "Openstack"
13
Search vendor "Redhat" for product "Openstack" and version "13"
-
Affected
Canonical
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Ubuntu Linux
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16.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"
lts
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
18.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"
lts
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected