undertow-io/undertow · Security
Undertow vulnerable to memory exhaustion due to buffer leak
- GHSA ID
- GHSA-fj7c-vg2v-ccrm
- CVE ID
- CVE-2021-3690
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Buffer leak on incoming WebSocket PONG message(s) in Undertow before 2.0.40 and 2.2.10 can lead to memory exhaustion and allow a denial of service.
CWEs
- CWE-400 · Uncontrolled Resource Consumption
- CWE-401 · Missing Release of Memory after Effective Lifetime
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-3690 ↗
- https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877 ↗
- https://access.redhat.com/security/cve/cve-2021-3690#cve-cvss-v3 ↗
- https://issues.redhat.com/browse/UNDERTOW-1935 ↗
- https://www.mend.io/vulnerability-database/CVE-2021-3690 ↗
- https://access.redhat.com/security/cve/CVE-2021-3690 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1991299 ↗
- https://github.com/advisories/GHSA-fj7c-vg2v-ccrm ↗