CVE-2017-14492

Public on 2017-10-02
Modified on 2019-07-22
Description
A heap buffer overflow was discovered in dnsmasq in the IPv6 router advertisement (RA) handling code. An attacker on the local network segment could send crafted RAs to dnsmasq which would cause it to crash or, potentially, execute arbitrary code. This issue only affected configurations using one of these options: enable-ra, ra-only, slaac, ra-names, ra-advrouter, or ra-stateless.
Severity
Critical
CVSS v3 Base Score
8.8
See breakdown

Affected Packages

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

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