GitHub Advisoryadvisory · Go
GHSA-p4g4-wgrh-qrg2 Panic due to malformed WALs in go.etcd.io/etcd
LOW
Official page ↗
- Aliases
- CVE-2020-15106
- Ecosystem
- Go
- Packages
- go.etcd.io/etcd
- Severity
- Low
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-20
- Reviewed
- 2023-02-07
Affected packages
• Go go.etcd.io/etcd: < 0.5.0-alpha.5.0.20200423152442-f4b650b51dc4 → fixed in 0.5.0-alpha.5.0.20200423152442-f4b650b51dc4
Description
Vulnerability type
Data Validation
Detail
The size of a record is stored in the length field of a WAL file and no additional validation is done on this data. Therefore, it is possible to forge an extremely large frame size that can unintentionally panic at the expense of any RAFT participant trying to decode the WAL.
Specific Go Packages Affected
github.com/etcd-io/etcd/wal
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
Related
Alias · CVE (1)
- CVE-2020-15106 In etcd before versions 3.3.23 and 3.4.10, a large slice causes panic in decodeRecord method. vulnerability
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://github.com/etcd-io/etcd/security/advisories/GHSA-p4g4-wgrh-qrg2 web
- https://nvd.nist.gov/vuln/detail/CVE-2020-15106 advisory
- https://github.com/etcd-io/etcd/pull/11793 web
- https://github.com/etcd-io/etcd/commit/4571e528f49625d3de3170f219a45c3b3d38c675 web
- https://github.com/etcd-io/etcd/commit/f4b650b51dc4a53a8700700dc12e1242ac56ba07 web
- https://github.com/etcd-io/etcd package
- https://github.com/etcd-io/etcd/blob/master/security/SECURITY_AUDIT.pdf web
- https://lists.fedoraproject.org/archives/list/[email protected]/message/L6B6R43Y7M3DCHWK3L3UVGE2K6WWECMP web
- https://pkg.go.dev/vuln/GO-2020-0005 web