PT-2023-31113 · Unknown · Glewlwyd Sso Server

Published 2023-11-23 · Updated 2023-11-30 · CVE-2023-49208

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Glewlwyd SSO server versions prior to 2.7.6

Description The issue is related to a possible buffer overflow during FIDO2 credentials validation in webauthn registration. This occurs in the scheme/webauthn.c file of the Glewlwyd SSO server.

Recommendations For versions prior to 2.7.6, update to version 2.7.6 or later to resolve the issue. As a temporary workaround, consider restricting access to the webauthn registration feature until the update is applied.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2023-49208

Affected Products

Glewlwyd Sso Server

References · 11

• https://github.com/babelouest/glewlwyd/commit/f9d8c06aae8dfe17e761b18b577ff169e059e812 · Patch
• https://github.com/babelouest/glewlwyd/releases/tag/v2.7.6 · Patch
• https://osv.dev/vulnerability/CVE-2023-49208 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-49208 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-49208 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-49208 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-49208 · Security Note
• https://ubuntu.com/security/CVE-2023-49208 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-49208 · Vendor Advisory
• https://t.me/cvenotify/61056 · Telegram Post
• https://t.me/cvenotify/61794 · Telegram Post