Vulnerability Details : 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.
Published 2017-10-03 01:29:02
Updated 2018-05-11 01:29:04
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2017-14496

Top countries where our scanners detected CVE-2017-14496
Top open port discovered on systems with this issue 53
IPs affected by CVE-2017-14496 668,169
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2017-14496!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2017-14496

Probability of exploitation activity in the next 30 days: 7.14%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 93 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2017-14496

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.8
 HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
 NIST
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST

CWE ids for CVE-2017-14496

  • 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.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-14496

Products affected by CVE-2017-14496

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