CVE-2017-14492 is a critical heap-based buffer overflow vulnerability in dnsmasq versions prior to 2.78, impacting various Linux distributions and devices utilizing dnsmasq, including routers and IoT. With a CVSS score of 9.8, it allows unauthenticated remote attackers to trigger a denial of service or achieve arbitrary code execution via crafted IPv6 router advertisement requests. While not on CISA's KEV catalog, public exploit code exists (EDB-42942), and it has garnered significant community discussion and media attention, indicating a high potential for exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
17.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | ||
7.1CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.