CVE-2026-112377
highCCC Attestation SIG attested-tls-poc through commit 731ca82 fails to bind early attestation Evidence to the TLS connection, allowing attackers to relay valid E…
CCC Attestation SIG attested-tls-poc through commit 731ca82 fails to bind early attestation Evidence to the TLS connection, allowing attackers to relay valid Evidence from a genuine attester. Attackers holding an extracted attested TLS private key can forward the relying party's nonce to a genuine attester and replay its Evidence to impersonate the attested workload and intercept data.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://datatracker.ietf.org/doc/draft-intra-handshake-fail/ disclosure@vulncheck.com
- https://github.com/CCC-Attestation/attested-tls-poc disclosure@vulncheck.com
- https://github.com/CCC-Attestation/attested-tls-poc/pull/58 disclosure@vulncheck.com
- https://github.com/CCC-Attestation/attested-tls-poc/tree/5b6c5374b3fe8b671906c8ab32f6134d9... disclosure@vulncheck.com
- https://github.com/ionut-arm/mbedtls/blob/f4ac7593826a506fc509c83cad73786acab1d442/library... disclosure@vulncheck.com
- https://github.com/muhammad-usama-sardar/intra-handshake.fail disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/ccc-attestation-sig-attested-tls-poc-through-commit-7... disclosure@vulncheck.com