CVE-2020-35498
CVSS V2 High 7.8
CVSS V3 High 7.5
Description
A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
Overview
- CVE ID
- CVE-2020-35498
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-02-11T18:15:15
- Last Modified Date
- 2021-03-17T12:44:28
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 1 | OR | 2.5.0 | 2.5.12 |
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 1 | OR | 2.6.0 | 2.6.10 |
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 1 | OR | 2.7.0 | 2.7.13 |
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 1 | OR | 2.8.0 | 2.8.11 |
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 1 | OR | 2.9.0 | 2.9.9 |
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 1 | OR | 2.10.0 | 2.10.7 |
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 1 | OR | 2.11.0 | 2.11.6 |
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 1 | OR | 2.12.0 | 2.12.3 |
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 1 | OR | 2.13.0 | 2.13.3 |
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 1 | OR | 2.14.0 | 2.14.2 |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 7.8
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1908845 | Issue Tracking Patch Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2021/02/10/4 | Mailing List Patch Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4852 | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-35498 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35498 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:19:39 | Added to TrackCVE | |||
| 2022-12-05 21:56:37 | 2021-02-11T18:15Z | 2021-02-11T18:15:15 | CVE Published Date | updated |
| 2022-12-05 21:56:37 | 2021-03-17T12:44:28 | CVE Modified Date | updated | |
| 2022-12-05 21:56:37 | Analyzed | Vulnerability Status | updated |