Vulnerability Name:

CVE-2022-32166 (CCN-237562)

Assigned:2022-05-31
Published:2022-05-31
Updated:2022-11-04
Summary:In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-125
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-32166

Source: XF
Type: UNKNOWN
ovs-cve202232166-bo(237562)

Source: CCN
Type: ovs GIT Repository
flow: Avoid unsafe comparison of minimasks.

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/cloudbase/ovs/commit/2ed6505555cdcb46f9b1f0329d1491b75290fc73

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20221029 [SECURITY] [DLA 3168-1] openvswitch security update

Source: CCN
Type: Mend Vulnerability Database
CVE-2022-32166

Source: MISC
Type: Third Party Advisory
https://www.mend.io/vulnerability-database/CVE-2022-32166

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cloudbase:open_vswitch:*:*:*:*:*:*:*:* (Version >= 0.90.0 and <= 2.5.0)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:openvswitch:openvswitch:2.5.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cloudbase open vswitch *
    debian debian linux 10.0
    openvswitch openvswitch 2.5.0