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Advisories

Axigen Mail Server before 10.5.69, 10.6.40, and 10.7.2 Unauthenticated DoS via Nested Requests

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Severity
high
Date
Affecting

  • Axigen Mail Server >= 10.0.0, < 10.5.69

  • Axigen Mail Server >= 10.6.0, < 10.6.40

  • Axigen Mail Server >= 10.7.0, < 10.7.2

CWE
  • CWE-674 Uncontrolled Recursion
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Dmitri Kaslov & rootkiTED, Cristian Draghici and Gabriel Cotruta of Axigen Security Team
Description
Axigen Mail Server before 10.5.69, 10.6.x before 10.6.40, and 10.7.x before 10.7.2 contains an unauthenticated denial of service vulnerability caused by unbounded nesting depth when parsing SOAP/XML and JSON request bodies before authentication. Attackers can send a single deeply nested request to WebMail, WebAdmin, or WebMail Proxy listeners to exhaust the stack and crash SMTP, IMAP, POP3, and web services repeatedly.

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