GLSA 201710-16: Shadow: Buffer overflow
Severity: | normal |
Title: | Shadow: Buffer overflow |
Date: | 10/15/2017 |
Bugs: |
|
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 | Vulnerable | Unaffected | Architecture(s) |
---|---|---|---|
sys-apps/shadow | < 4.5 | >= 4.5 | 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:
# emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/shadow-4.5"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.