CVE-2020-24334

CVE-2020-24334, security advisory, suse linux, suse, security, cve

CVE-2020-24334

Common Vulnerabilities and Exposures

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Upstream information

CVE-2020-24334 at MITRE

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.

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SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having critical severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	6.4
Vector	AV:N/AC:L/Au:N/C:N/I:P/A:P
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	Partial
Availability Impact	Partial

CVSS v3 Scores

	National Vulnerability Database
Base Score	8.2
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	Low
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1179907 [NEW]

No SUSE Security Announcements cross referenced.

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SUSE Timeline for this CVE

CVE page created: Thu Dec 10 17:28:55 2020
CVE page last modified: Sat Sep 7 14:32:22 2024