ET INFO Potentially Vulnerable LibSSH Server Observed - Possible Authentication Bypass (CVE-2018-10933)

7.0.35.0SID: 2026526Rev: 2Enabled3 views
Sourceet/open
Fileemerging-info.rules
CreatedOctober 19, 2018
UpdatedMarch 7, 2024
Classificationbad-unknown
alert tcp $EXTERNAL_NET $SSH_PORTS -> any any (msg:"ET INFO Potentially Vulnerable LibSSH Server Observed - Possible Authentication Bypass (CVE-2018-10933)"; flow:established,to_client; content:"SSH-2.0-libssh-0."; depth:17; pcre:"/^[67]\.[01235]/R"; reference:url,www.libssh.org/security/advisories/CVE-2018-10933.txt; reference:url,github.com/blacknbunny/libSSH-Authentication-Bypass; reference:cve,2018-10933; classtype:bad-unknown; sid:2026526; rev:2; metadata:created_at 2018_10_19, cve CVE_2018_10933, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag CVE_2018_10933, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_07, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)

References

urlwww.libssh.org/security/advisories/CVE-2018-10933.txt
urlgithub.com/blacknbunny/libSSH-Authentication-Bypass
cve2018-10933

Metadata

created at2018_10_19
deploymentInternal
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_07
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application

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