Unrated severityNVD Advisory· Published Nov 8, 2023· Updated Sep 12, 2024
Group-based JIT MFA bypass on scp and sftp in The Bastion
CVE-2023-45140
Description
The Bastion provides authentication, authorization, traceability and auditability for SSH accesses. SCP and SFTP plugins don't honor group-based JIT MFA. Establishing a SCP/SFTP connection through The Bastion via a group access where MFA is enforced does not ask for additional factor. This abnormal behavior only applies to per-group-based JIT MFA. Other MFA setup types, such as Immediate MFA, JIT MFA on a per-plugin basis and JIT MFA on a per-account basis are not affected. This issue has been patched in version 3.14.15.
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Affected products
2<3.14.15+ 1 more
- (no CPE)range: <3.14.15
- (no CPE)range: >= 3.0.0, <= 3.14.0
Patches
Vulnerability mechanics
References
2- github.com/ovh/the-bastion/releases/tag/v3.14.15mitrex_refsource_MISC
- github.com/ovh/the-bastion/security/advisories/GHSA-pr4q-w883-pf5xmitrex_refsource_CONFIRM
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