CVE-2017-14493

Public on 2017-10-02

Modified on 2019-07-22

Description

A stack buffer overflow was found in dnsmasq in the DHCPv6 code. An attacker on the local network could send a crafted DHCPv6 request to dnsmasq which would cause it to a crash or, potentially, execute arbitrary code.

Severity

Critical

See what this means

CVSS v3 Base Score

8.8

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory
Amazon Linux 1	dnsmasq	2017-10-02 17:05	ALAS-2017-907
Amazon Linux 2 - Core	dnsmasq	2019-07-18 18:22	ALAS2-2019-1251

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv2	8.3	AV:A/AC:L/Au:N/C:C/I:C/A:C
Amazon Linux	CVSSv3	8.8	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	CVSSv2	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD	CVSSv3	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Red Hat: CVE-2017-14493 Mitre: CVE-2017-14493 FAQs regarding Amazon Linux ALAS/CVE Severity