Vulnerability Name:

CVE-2017-14494

Assigned:2017-09-15
Published:2017-10-02
Updated:2017-10-18
Summary:dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory information via vectors involving handling DHCPv6 forwarded requests.
CVSS v3 Severity:5.9 Medium (CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
3.7 Low (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
6.5 Medium (REDHAT CVSS v3 Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
7.8 High (REDHAT CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
CWE-125
References:Source: SUSE
Type: VENDOR_ADVISORY
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html

Source: CONFIRM
Type: UNKNOWN
http://nvidia.custhelp.com/app/answers/detail/a_id/4561

Source: CONFIRM
Type: VENDOR_ADVISORY
http://thekelleys.org.uk/dnsmasq/CHANGELOG

Source: CONFIRM
Type: VENDOR_ADVISORY
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=33e3f1029c9ec6c63e430ff51063a6301d4b2262

Source: DEBIAN
Type: VENDOR_ADVISORY
http://www.debian.org/security/2017/dsa-3989

Source: BID
Type: VENDOR_ADVISORY
101085

Source: SECTRACK
Type: VENDOR_ADVISORY
1039474

Source: UBUNTU
Type: VENDOR_ADVISORY
http://www.ubuntu.com/usn/USN-3430-1

Source: UBUNTU
Type: VENDOR_ADVISORY
http://www.ubuntu.com/usn/USN-3430-2

Source: REDHAT
Type: VENDOR_ADVISORY
https://access.redhat.com/errata/RHSA-2017:2836

Source: REDHAT
Type: VENDOR_ADVISORY
https://access.redhat.com/errata/RHSA-2017:2837

Source: CONFIRM
Type: VENDOR_ADVISORY
https://access.redhat.com/security/vulnerabilities/3199382

Source: MISC
Type: VENDOR_ADVISORY
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html

Source: EXPLOIT-DB
Type: VENDOR_ADVISORY
42944

Source: CERT-VN
Type: VENDOR_ADVISORY
https://www.kb.cert.org/vuls/id/973527

Source: MLIST
Type: VENDOR_ADVISORY
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11664.html

Source: MLIST
Type: VENDOR_ADVISORY
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11665.html

Vulnerable Configuration:Configuration 1:
  • cpe:/o:canonical:ubuntu_linux:14.04::~~lts~~~:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:7.1:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:novell:leap:42.2:*:*:*:*:*:*:*
  • OR cpe:/o:novell:leap:42.3:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/a:thekelleys:dnsmasq:2.77:*:*:*:*:*:*:*

  • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201714494
    V
    CVE-2017-14494
    2017-10-22
    oval:com.ubuntu.xenial:def:201714494000
    V
    CVE-2017-14494 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-10-02
    oval:com.ubuntu.trusty:def:201714494000
    V
    CVE-2017-14494 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-10-02
    oval:com.redhat.rhsa:def:20172836
    P
    RHSA-2017:2836: dnsmasq security update (Critical)
    2017-10-02
    BACK
    canonical ubuntu_linux 14.04
    canonical ubuntu_linux 16.04
    canonical ubuntu_linux 17.04
    debian debian_linux 7.0
    debian debian_linux 7.1
    debian debian_linux 9.0
    novell leap 42.2
    novell leap 42.3
    redhat enterprise_linux_desktop 7.0
    redhat enterprise_linux_server 7.0
    redhat enterprise_linux_workstation 7.0
    thekelleys dnsmasq 2.77
    redhat enterprise_linux 7