CVE-2019-15226
Summary
| CVE | CVE-2019-15226 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2019-10-09 16:15:00 UTC |
| Updated | 2019-10-17 17:03:00 UTC |
| Description | Upon receiving each incoming request header data, Envoy will iterate over existing request headers to verify that the total size of the headers stays below a maximum limit. The implementation in versions 1.10.0 through 1.11.1 for HTTP/1.x traffic and all versions of Envoy for HTTP/2 traffic had O(n^2) performance characteristics. A remote attacker may craft a request that stays below the maximum request header size but consists of many thousands of small headers to consume CPU and result in a denial-of-service attack. |
Risk And Classification
Problem Types: CWE-400
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Envoyproxy | Envoy | 1.0.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.1.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.10.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.11.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.11.1 | All | All | All |
| Application | Envoyproxy | Envoy | 1.11.2 | All | All | All |
| Application | Envoyproxy | Envoy | 1.2.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.3.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.4.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.5.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.6.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.7.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.7.1 | All | All | All |
| Application | Envoyproxy | Envoy | 1.8.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.9.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.9.1 | All | All | All |
| Application | Envoyproxy | Envoy | 1.0.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.1.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.10.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.11.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.11.1 | All | All | All |
| Application | Envoyproxy | Envoy | 1.11.2 | All | All | All |
| Application | Envoyproxy | Envoy | 1.2.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.3.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.4.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.5.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.6.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.7.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.7.1 | All | All | All |
| Application | Envoyproxy | Envoy | 1.8.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.9.0 | All | All | All |
| Application | Envoyproxy | Envoy | 1.9.1 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Track byteSize of HeaderMap internally. · envoyproxy/envoy@afc39be · GitHub | MISC | github.com | Patch, Third Party Advisory |
| CVE-2019-15226 · Issue #8520 · envoyproxy/envoy · GitHub | MISC | github.com | Third Party Advisory |
| Commits · envoyproxy/envoy · GitHub | MISC | github.com | Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.