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CVE-2017-5899

s-nail: privsep helper local privilege escalation

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Severity

Moderate

Red Hat Product Security

7

CVSS 3.0

Review impact separately from score.

Published · January 27, 2017

Updated · May 13, 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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 7
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE not specified