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Graph/tls-trust-chain-misconfig

Pattern

Misconfigured TLS Trust Chain

tls-trust-chain-misconfig

TLS handshake and certificate validation fail because the trust material, SAN/keystore details, or post-failure certificate access expectations are misapplied, causing hidden peer certs, confusing debugging, and validators to reject otherwise intended connections.

Node Details

Public graph metadata

Updated7/16/2026

Connections

30 linked nodes

curl: (60) SSL certificate problem: unable to get local issuer certificate — curl -sL -k https://sentry.io/get-cli/ | bash. Outcome: Ok disabling internet security provider during the time of the installation worked for me.

The problem is that now the connection ends in a timeout error. Tension: azure refuses the connection attempt due to the ssl dependency.

Runs failed with authentication_error: [REDACTED] — A local agent runtime had stale model refs under a deprecated provider id. Tension: the deprecated provider was configured like an Anthropic Messages API provider, so a subscription/CLI auth marker was sent as an API-key header. Outcome: fallback behavior masked the real config problem.

it throw the error 'there was an error fetching your secrets'. Tension: the necessary data are not being created. Outcome: could not move forward.

SignatureDoesNotMatch — curl --request PUT --upload-file "/path-to-this-file/test.html" "presigned-url". Tension: The request signature we calculated does not match the signature you provided. Outcome: where did I do incorrectly and how to resolve it?

SSL validation failed for https://bucketname.s3.amazonaws.com/ [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate — when loading a file to S3 bucket. Tension: python not able to find certain certificates. Outcome: apply the following parameter when creating the s3 object.

you should use the same secret in both places. Tension: signing tokens with one secret and trying to validate incoming tokens with a different secret.

OpenSSL does not seem to support prompting for the password when accessing a TPM handle — when the key is created with password protection (userAuth in TPM2B_SENSITIVE_CREATE). Tension: it fails silently or with cryptic errors. Outcome: If I leave the password empty (no userAuth), I can successfully generate a self-signed certificate.

you have to load your certificate and private key in the client side code — connect to my server using my cert and the TrustStore. Tension: I'm still able to authenticate myself and connect. Outcome: now I'm able to connect to my server using my cert and the TrustStore.

SIGSEGV in client handshake retry after no_renegotiation warning alert mid-ServerHello — CVE-2020-24659 in GnuTLS <= 3.6.14. Outcome: Fixed in 3.6.15 by commit 29ee67c2.

Recently they changed the security protocol to TLSV1.2 and so I can no longer access it. Tension: I need to access a web service using C# and so far everything has worked well. Outcome: System.Net.WebException: The underlying connection was closed: Unexpected error on a send.

Cannot use an ACM-PCA-issued certificate to sign another certificate

many client library implemntations fails to properly verify the nonce/state. Tension: leaving the clients vulnerable. Outcome: PKCE will still protect them.

Failed authentication with /127.0.0.1 (SSL handshake failed) — when I try to setup SSL in my localhost kafka. Tension: Verify return code: 19 (self signed certificate in certificate chain). Outcome: I guess the problem come from me and not the script/tutorial.

close: Bad file descriptor (9) — proxychains google-chrome-beta dnsleaktest.com. Tension: the core gets dumped due to "Bad file descriptor". Outcome: Trace/breakpoint trap (core dumpe.

I want to accept that fact that proxy is using insecure TLS certificates but I still want to establish secure TLS session to my destination. Tension: I can only disable TLS verification to both proxy and destination with `InsecureSkipVerify`.

your Java runtime environment does not trust that certificate — using Firefox on Linux, you will see that you can browse the website just fine. Outcome: For some reason your Java runtime environment does not trust that certificate.

This is working fine. — I am also validating their certificate with my trust store. Tension: I would like to disable SSL validation on my side. Outcome: And thought this would equal to `InsecureTrustManagerFactory.INSTANCE `, which is not.

SSLParameters got ignored — I've tried using TomcatServletWebServerFactory. Tension: it won't work like documented in the code.

Java SSL handshake fails to authenticate the PKIX certificate chain and getPeerCertificates() throws SslUnverifiedPeerException

BearerTokenAuthenticationFilter of second chain did not activate

Invalid signature: Document is modified. — When trying to insert the certificate from the ESP response. Tension: signature become invalid when checked in adobe. Outcome: the hash of the signed document bytes is incorrect here.

WebSocket connections to `wss://<host>:443` fail when proxied via `tailscale serve` (e.g., port 443 → localhost backend), producing `ERR_SSL_PROTOCOL_ERROR`/TLS internal error and closing immediately. The same backend and proxy config works correctly when served on a custom port (e.g., 8443).

Valid authentication tokens were rejected during signature verification because the HMAC signature check used incorrect bytes to compute the MAC. As a result, the derived signature did not match the one stored in the token.

a timing side-channel vulnerability exists in _gnutls_srtp_recv_params() — When parsing DTLS ClientHello SRTP extension profiles. Tension: the server uses a non-constant-time nested loop. Outcome: An attacker sends DTLS ClientHellos with varying SRTP profile orderings, measures response timing, and reconstructs the server's profile preference order.

GnuTLS contains a double-free vulnerability (CVE-2022-2509) in the _gnutls_write_new_othername function — when exporting otherName subject alternative names (SAN) extensions in X.509 certificates. Tension: When ASN.1 encoding operations fail, the function incorrectly frees the caller-allocated ASN1_TYPE structure. Outcome: leading to a double-free when the caller's cleanup code attempts to free the same structure again.

allows an attacker to read out-of-bounds memory or cause denial of service — OpenSSL's X.509 certificate name checking code. Tension: The vulnerability exists in the do_x509_check() function where union members of GENERAL_NAME are accessed based on the check_type parameter rather than the actual gen->type field. Outcome: leading to out-of-bounds memory reads.

any process that parses the malicious certificate. Tension: The result is an infinite loop.

stack buffer overflow vulnerability in OpenSSL 3.0.0-3.0.6 — when processing X.509 certificates with name constraints containing punycode-encoded email address domain names. Tension: allows writing past the end of a 512-element stack-allocated buffer. Outcome: The vulnerability is triggered when a certificate's name constraint contains a punycode domain label that decodes to 512+ Unicode codepoints.

GnuTLS 3.6.14 crashes with a NULL pointer dereference — when processing a crafted TLS ClientHello with a session_ticket extension during session resumption. Tension: An attacker can trigger this by sending a malformed ClientHello during session resumption, causing server denial of service. Outcome: The vulnerability exists in GnuTLS 3.6.14 and is triggered during TLS session resumption when a ClientHello contains a malformed session_ticket extension with NULL or empty data.

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