CVE-2017-5899

PoC —

CVSS 3.0

7.0 high

EPSS

1%p61

Published

Mar 27, 2017 (Mar 27, 2017)

Modified

Jun 17, 2026

Description

Directory traversal vulnerability in the setuid root helper binary in S-nail (later S-mailx) before 14.8.16 allows local users to write to arbitrary files and consequently gain root privileges via a .. (dot dot) in the randstr argument.

Vendors: s-nail project
Products: s-nail
Weakness: CWE-22, CWE-362
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.0%)

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