[ GLSA 201710-16 ] Shadow

[GLSA]

Gentoo Linux Security Advisory

Title: Shadow: Buffer overflow (GLSA 201710-16)
Severity: normal
Exploitable: remote
Date: 2017-10-15
Bug(s): #627044
ID: 201710-16

Synopsis

A vulnerability found in Shadow may allow remote attackers to cause
a Denial of Service condition or produce other unspecified behaviors.


Background

Shadow is a set of tools to deal with user accounts.

Affected Packages

Package: sys-apps/shadow
Vulnerable: < 4.5
Unaffected: >= 4.5
Architectures: All supported architectures


Description

Malformed input in the newusers tool may produce crashes and other
unspecified behaviors.


Impact

A remote attacker could possibly cause a Denial of Service condition or
bypass privilege boundaries in some web-hosting environments in which a
Control Panel allows an unprivileged user account to create subaccounts.


Workaround

There is no known workaround at this time.

Resolution

All Shadow users should upgrade to the latest version: