Executive Summary

Summary
Title nano: Multiple vulnerabilities
Informations
Name GLSA-201006-08 First vendor Publication 2010-06-01
Vendor Gentoo Last vendor Modification 2010-06-01
Severity (Vendor) Normal 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:L/AC:H/Au:N/C:P/I:P/A:P)
Cvss Base Score 3.7 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity High
Cvss Expoit Score 1.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

Race conditions when editing files could lead to symlink attacks or changes of ownerships of important files.

Background

nano is a GNU GPL'd Pico clone with more functionality.

Description

Multiple race condition vulnerabilities have been discovered in nano.
For further information please consult the CVE entries referenced below.

Impact

Under certain conditions, a local, user-assisted attacker could possibly overwrite arbitrary files via a symlink attack on an attacker-owned file that is being edited by the victim, or change the ownership of arbitrary files.

Workaround

There is no known workaround at this time.

Resolution

All nano users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-editors/nano-2.2.4"

References

[ 1 ] CVE-2010-1160 : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1160
[ 2 ] CVE-2010-1161 : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1161

Availability

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

http://security.gentoo.org/glsa/glsa-201006-08.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201006-08.xml

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-362 Race Condition
50 % CWE-59 Improper Link Resolution Before File Access ('Link Following')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 140

OpenVAS Exploits

Date Description
2011-03-09 Name : Gentoo Security Advisory GLSA 201006-08 (nano)
File : nvt/glsa_201006_08.nasl
2010-09-10 Name : Fedora Update for nano FEDORA-2010-13157
File : nvt/gb_fedora_2010_13157_nano_fc12.nasl
2010-05-07 Name : Fedora Update for nano FEDORA-2010-6775
File : nvt/gb_fedora_2010_6775_nano_fc12.nasl
2010-05-07 Name : Fedora Update for nano FEDORA-2010-6776
File : nvt/gb_fedora_2010_6776_nano_fc11.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
63873 nano Backup File Creation Race Condition
63872 nano Changed File Symlink Privilege Escalation

Nessus® Vulnerability Scanner

Date Description
2010-09-09 Name : The remote Fedora host is missing a security update.
File : fedora_2010-13157.nasl - Type : ACT_GATHER_INFO
2010-07-01 Name : The remote Fedora host is missing a security update.
File : fedora_2010-6735.nasl - Type : ACT_GATHER_INFO
2010-07-01 Name : The remote Fedora host is missing a security update.
File : fedora_2010-6775.nasl - Type : ACT_GATHER_INFO
2010-07-01 Name : The remote Fedora host is missing a security update.
File : fedora_2010-6776.nasl - Type : ACT_GATHER_INFO
2010-06-02 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201006-08.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 11:36:50
  • Multiple Updates