VulnerabilityModified
CVE-2022-27240
scheme/webauthn.c in Glewlwyd SSO server 2.x before 2.6.2 has a buffer overflow associated with a webauthn assertion.
CRITICAL 9.8EPSS 1.56%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
scheme/webauthn.c in Glewlwyd SSO server 2.x before 2.6.2 has a buffer overflow associated with a webauthn assertion.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.56% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- glewlwyd sso server project/glewlwyd sso server
- Source
- cve@mitre.org
References
- https://github.com/babelouest/glewlwyd/commit/4c5597c155bfbaf6491cf6b83479d241ae66940aPatch, Third Party Advisory
- https://github.com/babelouest/glewlwyd/releases/tag/v2.6.2Release Notes, Third Party Advisory
- https://github.com/babelouest/glewlwyd/commit/4c5597c155bfbaf6491cf6b83479d241ae66940aPatch, Third Party Advisory
- https://github.com/babelouest/glewlwyd/releases/tag/v2.6.2Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.