Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title Dnsmasq: Multiple vulnerabilities
Informations
Name GLSA-201710-27 First vendor Publication 2017-10-23
Vendor Gentoo Last vendor Modification 2017-10-23
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:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 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 Dnsmasq, the worst of which may allow remote attackers to execute arbitrary code.

Background

Dnsmasq is a lightweight and easily-configurable DNS forwarder and DHCP server.

Description

Multiple vulnerabilities have been discovered in Dnsmasq. Please review the references below for details.

Impact

A remote attacker could execute arbitrary code or cause a Denial of Service condition via crafted DNS, IPv6, or DHCPv6 packets.

Workaround

There is no known workaround at this time.

Resolution

All Dnsmasq users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/dnsmasq-2.78"

References

[ 1 ] CVE-2017-14491 : https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14491
[ 2 ] CVE-2017-14492 : https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14492
[ 3 ] CVE-2017-14493 : https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14493
[ 4 ] CVE-2017-14494 : https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14494
[ 5 ] CVE-2017-14495 : https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14495
[ 6 ] CVE-2017-14496 : https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14496

Availability

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

https://security.gentoo.org/glsa/201710-27

Original Source

Url : http://security.gentoo.org/glsa/glsa-201710-27.xml

CWE : Common Weakness Enumeration

% Id Name
33 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer
17 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
17 % CWE-772 Missing Release of Resource after Effective Lifetime
17 % CWE-200 Information Exposure
17 % CWE-191 Integer Underflow (Wrap or Wraparound)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 2
Application 1
Application 3
Application 1
Application 77
Os 64
Os 93
Os 5
Os 4
Os 9
Os 2
Os 2
Os 2
Os 2
Os 2
Os 3

Snort® IPS/IDS

Date Description
2018-10-25 dnsmasq add_pseudoheader memory leak attempt
RuleID : 47881 - Revision : 2 - Type : PROTOCOL-DNS
2017-11-07 dnsmasq add_pseudoheader integer underflow attempt
RuleID : 44482 - Revision : 2 - Type : PROTOCOL-DNS
2017-11-07 dnsmasq IPv6 heap overflow attempt
RuleID : 44481 - Revision : 2 - Type : SERVER-OTHER
2017-11-07 dnsmasq Relay-forw information leak attempt
RuleID : 44480 - Revision : 2 - Type : SERVER-OTHER
2017-11-07 dnsmasq add_pseudoheader memory leak attempt
RuleID : 44478 - Revision : 3 - Type : PROTOCOL-DNS
2017-11-07 dnsmasq dhcp6_maybe_relay stack buffer overflow attempt
RuleID : 44477 - Revision : 2 - Type : SERVER-OTHER
2014-01-10 Oracle Secure Backup observice.exe dns response overflow attempt
RuleID : 20242 - Revision : 10 - Type : PROTOCOL-DNS

Nessus® Vulnerability Scanner

Date Description
2018-11-27 Name : The remote Virtuozzo host is missing a security update.
File : Virtuozzo_VZLSA-2017-2838.nasl - Type : ACT_GATHER_INFO
2018-09-27 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1285.nasl - Type : ACT_GATHER_INFO
2018-08-17 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2017-0035.nasl - Type : ACT_GATHER_INFO
2018-01-15 Name : The remote Fedora host is missing a security update.
File : fedora_2017-7106a157f5.nasl - Type : ACT_GATHER_INFO
2017-10-24 Name : The remote Fedora host is missing a security update.
File : fedora_2017-515264ae24.nasl - Type : ACT_GATHER_INFO
2017-10-23 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201710-27.nasl - Type : ACT_GATHER_INFO
2017-10-18 Name : The remote Fedora host is missing a security update.
File : fedora_2017-24f067299e.nasl - Type : ACT_GATHER_INFO
2017-10-13 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2017-1240.nasl - Type : ACT_GATHER_INFO
2017-10-13 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2017-1239.nasl - Type : ACT_GATHER_INFO
2017-10-09 Name : The remote Debian host is missing a security update.
File : debian_DLA-1124.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20171002_dnsmasq_on_SL6_x.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-3430-1.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-2619-1.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-2618-1.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-2617-1.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-2616-1.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20171002_dnsmasq_on_SL7_x.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2017-2838.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2017-907.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2017-2836.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2017-2838.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3989.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote DNS / DHCP service is affected by multiple vulnerabilities.
File : dnsmasq_2_78.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_b77b5646a77811e7ac58b499baebfeaf.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2017-1116.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2017-2836.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2017-275-01.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote OracleVM host is missing a security update.
File : oraclevm_OVMSA-2017-0160.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2017-2836.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2017-2837.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2017-2838.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2017-2839.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2017-2840.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2017-2841.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2017-10-24 13:25:29
  • Multiple Updates
2017-10-23 05:21:41
  • First insertion