CVE-2020-15112

Publication date 5 August 2020

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

In etcd before versions 3.3.23 and 3.4.10, it is possible to have an entry index greater then the number of entries in the ReadAll method in wal/wal.go. This could cause issues when WAL entries are being read during consensus as an arbitrary etcd consensus participant could go down from a runtime panic when reading the entry.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
etcd	24.10 oracular	Vulnerable
	24.04 LTS noble	Vulnerable
	23.10 mantic	Ignored end of life, was needed
	23.04 lunar	Ignored end of life, was needed
	22.10 kinetic	Ignored end of life, was needed
	22.04 LTS jammy	Vulnerable
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Fixed 3.2.26+dfsg-6ubuntu0.1
	18.04 LTS bionic	Fixed 3.2.17+dfsg-1ubuntu0.1+esm1 Ubuntu Pro
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Not in release

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
etcd	Upstream: https://github.com/etcd-io/etcd/pull/12638/commits/b14255c0b4d1a27221d1857ae0e72bcac7f2b146

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2020-15112

Cvss 3 Severity Score

Status

Get expanded security coverage with Ubuntu Pro

Patch details

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references