""ET EXPLOIT Suspected Exim External Auth Overflow (CVE-2023-4115) set""
SID: 2048389
Revision: 1
Class Type: attempted-admin
Metadata: attack_target SMTP_Server, created_at 2023_10_03, cve CVE_2023_4115, deployment Perimeter, deployment SSLDecrypt, performance_impact Significant, confidence Low, signature_severity Major, updated_at 2023_10_03, reviewed_at 2023_10_03
Reference:
-
cve
-
2023-4115
Protocol: tcp
Source Network: $HOME_NET
Source Port: 25
Destination Network: any
Destination Port: any
Flow: established
Contents:
- Value: "ESMTP Exim|20|"
Within:
PCRE:
Special Options:
- fast_pattern