Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title PuTTY: Multiple vulnerabilities
Informations
Name GLSA-201606-01 First vendor Publication 2016-06-05
Vendor Gentoo Last vendor Modification 2016-06-05
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

Multiple vulnerabilities have been found in PuTTY, the worst of which could lead to arbitrary code execution, or cause a Denial of Service condition.

Background

PuTTY is a telnet and SSH client.

Description

Multiple vulnerabilities have been discovered in PuTTY. Please review the CVE identifiers referenced below for details.

Impact

Stack-based buffer overflow in the SCP command-line utility allows remote servers to execute arbitrary code or cause a denial of service condition via a crafted SCP-SINK file-size response to an SCP download request.

Workaround

There is no known workaround at this time.

Resolution

All PuTTY users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/putty-0.67"

References

[ 1 ] CVE-2015-5309 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5309
[ 2 ] CVE-2016-2563 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2563

Availability

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

https://security.gentoo.org/glsa/201606-01

Original Source

Url : http://security.gentoo.org/glsa/glsa-201606-01.xml

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-189 Numeric Errors (CWE/SANS Top 25)
50 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 24
Os 1
Os 2

Nessus® Vulnerability Scanner

Date Description
2017-12-11 Name : The remote Windows host has an SSH client that is affected by a buffer overfl...
File : putty_067.nasl - Type : ACT_GATHER_INFO
2016-06-06 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201606-01.nasl - Type : ACT_GATHER_INFO
2016-06-01 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2016-667.nasl - Type : ACT_GATHER_INFO
2016-03-08 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_7f0fbb30e46211e5a3f3080027ef73ec.nasl - Type : ACT_GATHER_INFO
2016-03-04 Name : The remote Fedora host is missing a security update.
File : fedora_2015-3d17682c15.nasl - Type : ACT_GATHER_INFO
2016-03-04 Name : The remote Fedora host is missing a security update.
File : fedora_2015-5ad4a1f151.nasl - Type : ACT_GATHER_INFO
2015-12-02 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3409.nasl - Type : ACT_GATHER_INFO
2015-11-30 Name : The remote Debian host is missing a security update.
File : debian_DLA-347.nasl - Type : ACT_GATHER_INFO
2015-11-19 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2015-766.nasl - Type : ACT_GATHER_INFO
2015-11-10 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_0cb0afd986b811e5bf60080027ef73ec.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2016-06-08 13:25:04
  • Multiple Updates
2016-06-05 21:26:44
  • First insertion