etcd's WAL `ReadAll` method vulnerable to an entry with large index causing panic
Summary
etcd's WAL ReadAll method vulnerable to an entry with large index causing panic
Original description
The description as published by the source.
Vulnerability type
Data Validation
Detail
In the ReadAll method in wal/wal.go, it is possible to have an entry index greater then the number of entries. 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.
References
Find out more on this vulnerability in the security audit report
For more information
If you have any questions or comments about this advisory:
- Contact the etcd security committee
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Affected packages
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2020-15106 etcd Fixed in: 3.3.25+dfsg-5
- Ubuntu UBUNTU-CVE-2020-15106 etcd
References
- advisory github.com
- advisory nvd.nist.gov
- package github.com
- web lists.fedoraproject.org
- web nvd.nist.gov
- web github.com
- web github.com
- web github.com
- web github.com
- web github.com
- web lists.fedoraproject.org
- web pkg.go.dev