CVE-2017-5899

HIGH

S-nail < 14.8.5 - Race Condition

Title source: rule

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.

Exploits (1)

exploitdb WORKING POC

by bcoles · bashlocalmultiple

https://www.exploit-db.com/exploits/47172

View Code ZIP pw:eip

References (4)

[Exploit, Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2017/01/27/7

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2017/02/07/4

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/96138

[Mailing List] https://www.mail-archive.com/s-nail-users%40lists.sourceforge.net/msg00551.html

Scores

CVSS v3 7.0

EPSS 0.0070

EPSS Percentile 72.0%

Attack Vector LOCAL

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

Details

CWE

CWE-22 CWE-362

Status published

Products (1)

s-nail_project/s-nail < 14.8.5

Published Mar 27, 2017

Tracked Since Feb 18, 2026