Buffer overflow in Glewlwyd SSO server - CVE-2023-49208
Published: November 24, 2023
Vulnerability identifier: #VU83469
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-49208
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error during FIDO2 credentials validation in webauthn registration. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.
Affected software
Glewlwyd SSO server
How to mitigate CVE-2023-49208
Install updates from vendor's website.
Glewlwyd SSO server - update to 2.7.6