Executive Summary

Summary
Title Shadow: Buffer overflow
Informations
Name GLSA-201710-16 First vendor Publication 2017-10-15
Vendor Gentoo Last vendor Modification 2017-10-15
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

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

[ 1 ] CVE-2017-12424 : https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12424

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/201710-16

Original Source

Url : http://security.gentoo.org/glsa/glsa-201710-16.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2
Os 1

Nessus® Vulnerability Scanner

Date Description
2018-08-17 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2017-0030.nasl - Type : ACT_GATHER_INFO
2018-06-28 Name : The remote EulerOS host is missing a security update.
File : EulerOS_SA-2018-1169.nasl - Type : ACT_GATHER_INFO
2017-11-13 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2017-1265.nasl - Type : ACT_GATHER_INFO
2017-11-09 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-2947-1.nasl - Type : ACT_GATHER_INFO
2017-10-16 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201710-16.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2017-10-17 13:25:15
  • Multiple Updates
2017-10-16 00:22:33
  • First insertion