CVE-2014-8602 describes a denial-of-service vulnerability in NLnet Labs Unbound versions prior to 1.5.1, affecting various Linux distributions including Debian and Ubuntu. The flaw, residing in iterator.c, allows remote attackers to exhaust system resources (memory and CPU) by exploiting unlimited delegation chaining through a large or infinite number of referrals. With a CVSS score of 4.3 (medium severity), it requires medium attack complexity and can lead to partial availability impact. While there is no evidence of active exploitation, nor readily available exploit code in Metasploit or ExploitDB, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.5.0CPE matchmatch criteria | cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
14.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.