7.8

CVE-2017-14496

Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 17.04
Debian ≫ Debian Linux Version 7.0
Debian ≫ Debian Linux Version 7.1
Debian ≫ Debian Linux Version 9.0
Google ≫ Android Version 4.4.4
Google ≫ Android Version 5.0.2
Google ≫ Android Version 5.1.1
Google ≫ Android Version 6.0
Google ≫ Android Version 6.0.1
Google ≫ Android Version 7.0
Google ≫ Android Version 7.1.1
Google ≫ Android Version 7.1.2
Google ≫ Android Version 8.0
Novell ≫ Leap Version 42.2
Novell ≫ Leap Version 42.3
Thekelleys ≫ Dnsmasq Version <= 2.77
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 66.35% 0.992
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 7.8 10 6.9
AV:N/AC:L/Au:N/C:N/I:N/A:C
CWE-191 Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

http://thekelleys.org.uk/dnsmasq/CHANGELOG
Vendor Advisory
Release Notes
http://nvidia.custhelp.com/app/answers/detail/a_id/4561
https://source.android.com/security/bulletin/2017-10-01
Third Party Advisory
http://www.securityfocus.com/bid/101085
Third Party Advisory
VDB Entry
http://www.securityfocus.com/bid/101977
http://www.securitytracker.com/id/1039474
Third Party Advisory
VDB Entry
https://access.redhat.com/security/vulnerabilities/3199382
Third Party Advisory
Issue Tracking
https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
Third Party Advisory
https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html
https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html
https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
Third Party Advisory
Mailing List
Issue Tracking
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
http://www.debian.org/security/2017/dsa-3989
Third Party Advisory
http://www.ubuntu.com/usn/USN-3430-1
Third Party Advisory
http://www.ubuntu.com/usn/USN-3430-2
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2836
Patch
Third Party Advisory
https://security.gentoo.org/glsa/201710-27
https://www.kb.cert.org/vuls/id/973527
Third Party Advisory
US Government Resource
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=897c113fda0886a28a986cc6ba17bb93bd6cb1c7
https://www.exploit-db.com/exploits/42946/
Third Party Advisory
VDB Entry