CVE-2018-5740 describes an assertion failure vulnerability in the "deny-answer-aliases" feature of BIND 9, affecting versions 9.7.0 through 9.13.2. This flaw, intended to protect against DNS rebinding attacks, can lead to a denial-of-service (DoS) condition on affected ISC BIND, Debian, Red Hat, and other vendor systems. With a CVSS score of 7.5 (High), the vulnerability is easily exploitable over the network with low attack complexity, resulting in high availability impact. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered significant community discussion and media coverage, indicating awareness of its potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 9.7.0, < 9.8.8CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | ||
>= 9.9.0, < 9.9.13CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | ||
>= 9.10.0, < 9.10.8CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | ||
>= 9.11.0, < 9.11.4CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | ||
>= 9.12.0, < 9.12.2CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.