CVE-2020-26264

CVE-2020-26264, security advisory, suse linux, suse, security, cve

CVE-2020-26264

Common Vulnerabilities and Exposures

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Upstream information

CVE-2020-26264 at MITRE

Description

Go Ethereum, or "Geth", is the official Golang implementation of the Ethereum protocol. In Geth before version 1.9.25 a denial-of-service vulnerability can make a LES server crash via malicious GetProofsV2 request from a connected LES client. This vulnerability only concerns users explicitly enabling les server; disabling les prevents the exploit. The vulnerability was patched in version 1.9.25.

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SUSE information

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

This issue is currently rated as having moderate severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	4
Vector	AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector	Network
Access Complexity	Low
Authentication	Single
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

CVSS v3 Scores

	National Vulnerability Database
Base Score	6.5
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1179985 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

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SUSE Timeline for this CVE

CVE page created: Fri Dec 11 22:46:35 2020
CVE page last modified: Wed Oct 26 22:44:57 2022