ET WEB_SERVER MinIO Incomplete Signature Validation for Unsigned-Trailer Uploads (CVE-2025-31489)

SID: 2061442Rev: 1116 views
Sourceet/open
CreatedApril 10, 2025
UpdatedApril 10, 2025
Classificationweb-application-activity
alert http any any -> $HOME_NET any (msg:"ET WEB_SERVER MinIO Incomplete Signature Validation for Unsigned-Trailer Uploads (CVE-2025-31489)"; flow:established,to_server; http.method; content:"PUT"; http.header; content:"Signature|3d|"; content:"x-amz-content-sha256|3a 20|STREAMING-UNSIGNED-PAYLOAD-TRAILER"; fast_pattern; reference:url,github.com/minio/minio/security/advisories/GHSA-wg47-6jq2-q2hh; reference:cve,2025-31489; classtype:web-application-activity; sid:2061442; rev:1; metadata:affected_product MinIO, attack_target Server, tls_state TLSDecrypt, created_at 2025_04_10, cve CVE_2025_31489, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Exploit, updated_at 2025_04_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)

References

urlgithub.com/minio/minio/security/advisories/GHSA-wg47-6jq2-q2hh
cve2025-31489

Metadata

affected productMinIO
attack targetServer
tls stateTLSDecrypt
created at2025_04_10
deploymentSSLDecrypt
confidenceMedium
signature severityMajor
tagExploit
updated at2025_04_10
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application

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