Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2021-43668

NULL Pointer Dereference

Published: Nov 18, 2021 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-43668
CWEhttps://cwe.mitre.org/data/definitions/476.html

Go-Ethereum 1.10.9 nodes crash (denial of service) after receiving a serial of messages and cannot be recovered. They will crash with runtime error: invalid memory address or nil pointer dereference and arise a SEGV signal.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
Go_ethereumEthereum1.10.9 (including)1.10.9 (including)
Golang-goleveldbUbuntubionic*
Golang-goleveldbUbuntufocal*
Golang-goleveldbUbuntuhirsute*
Golang-goleveldbUbuntuimpish*
Golang-goleveldbUbuntukinetic*
Golang-goleveldbUbuntulunar*
Golang-goleveldbUbuntumantic*
Golang-goleveldbUbuntuoracular*
Golang-goleveldbUbuntuplucky*
Golang-goleveldbUbuntutrusty*
Golang-goleveldbUbuntuxenial*

Potential Mitigations

References

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