CVE-2017-13704

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
In dnsmasq before 2.78, if the DNS packet size does not match the expected size, the size parameter in a memset call gets a negative value. As it is an unsigned value, memset ends up writing up to 0xffffffff zero's (0xffffffffffffffff in 64 bit platforms), making dnsmasq crash.
Overview
  • CVE ID
  • CVE-2017-13704
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-10-03T01:29:01
  • Last Modified Date
  • 2018-05-11T01:29:03
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:27:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:novell:leap:42.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:novell:leap:42.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:* 1 OR 2.77
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11665.html Mailing List Third Party Advisory
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11664.html Mailing List Third Party Advisory
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4TK6DWC53WSU6633EVZL7H4PCWBYHMHK/ Third Party Advisory
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=63437ffbb58837b214b4b92cb1c54bc5f3279928 Patch Vendor Advisory
http://thekelleys.org.uk/dnsmasq/CHANGELOG Release Notes Vendor Advisory
http://www.securitytracker.com/id/1039474 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/101085 Third Party Advisory VDB Entry
https://access.redhat.com/security/vulnerabilities/3199382 Issue Tracking Third Party Advisory
http://www.securityfocus.com/bid/101977
https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq
https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-13704
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13704
History
Created Old Value New Value Data Type Notes
2022-05-10 18:43:48 Added to TrackCVE
2022-12-02 21:34:55 2017-10-03T01:29Z 2017-10-03T01:29:01 CVE Published Date updated
2022-12-02 21:34:55 2018-05-11T01:29:03 CVE Modified Date updated
2022-12-02 21:34:55 Modified Vulnerability Status updated