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CVE-2017-5899

Date: March 27, 2017

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.

Severity Score

Related Resources (8)

https://www.mail-archive.com/s-nail-users%40lists.sourceforge.net/msg00551.html
http://www.openwall.com/lists/oss-security/2017/01/27/7
https://security-tracker.debian.org/tracker/CVE-2017-5899
http://www.securityfocus.com/bid/96138
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-5899
http://www.openwall.com/lists/oss-security/2017/02/07/4
https://nvd.nist.gov/vuln/detail/CVE-2017-5899
https://www.mend.io/vulnerability-database/CVE-2017-5899

Severity Score

Weakness Type (CWE)

Race Conditions

CWE-362

Path Traversal

CWE-22

CVSS v3

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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