CVE-2020-24334
CVSS V2 Medium 6.4
CVSS V3 High 8.2
Description
The code that processes DNS responses in uIP through 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds read and Denial-of-Service in resolv.c.
Overview
- CVE ID
- CVE-2020-24334
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-12-11T23:15:13
- Last Modified Date
- 2020-12-15T15:03:31
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:uip_project:uip:*:*:*:*:*:*:*:* | 1 | OR | 1.0 | |
| cpe:2.3:o:contiki-ng:contiki-ng:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:o:contiki-os:contiki:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.4
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 8.2
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 4.2
References
| Reference URL | Reference Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01 | Third Party Advisory US Government Resource |
| https://www.kb.cert.org/vuls/id/815128 | Third Party Advisory US Government Resource |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-24334 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24334 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:30:21 | Added to TrackCVE | |||
| 2022-12-05 18:07:06 | 2020-12-11T23:15Z | 2020-12-11T23:15:13 | CVE Published Date | updated |
| 2022-12-05 18:07:06 | 2020-12-15T15:03:31 | CVE Modified Date | updated | |
| 2022-12-05 18:07:06 | Analyzed | Vulnerability Status | updated |