ET WEB_SPECIFIC_APPS xml-crypto / Node.js SAML Authentication Bypass Forged DigestValue Comment (CVE-2025-29775)
Sourceet/open
CreatedMarch 19, 2025
UpdatedMarch 25, 2025
Classificationweb-application-attack
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET WEB_SPECIFIC_APPS xml-crypto / Node.js SAML Authentication Bypass Forged DigestValue Comment (CVE-2025-29775)"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"SAMLResponse|3d|"; fast_pattern; base64_decode:offset 0, relative; base64_data; content:"|3c|saml2p|3a|Response"; content:"|3c|DigestValue|3e 3c 21 2d 2d|"; pcre:"/^[A-Za-z0-9\x2b\x2f]+\x3d*\x2d\x2d\x3e[A-Za-z0-9\x2b\x2f]+\x3d*\x3c\x2fds\x3aDigestValue\x3e/R"; reference:url,workos.com/blog/samlstorm; reference:cve,2025-29775; classtype:web-application-attack; sid:2060960; rev:2; metadata:affected_product Node_js, attack_target Server, tls_state TLSDecrypt, created_at 2025_03_19, cve CVE_2025_29775, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Exploit, updated_at 2025_03_25, reviewed_at 2025_08_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
References
Metadata
affected productNode_js
attack targetServer
tls stateTLSDecrypt
created at2025_03_19
deploymentSSLDecrypt
confidenceMedium
signature severityMajor
tagExploit
updated at2025_03_25
reviewed at2025_08_26
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
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