CVE-2015-4620 describes a denial-of-service vulnerability affecting ISC BIND versions 9.7.x through 9.9.x before 9.9.7-P1 and 9.10.x before 9.10.2-P2, specifically when configured as a recursive resolver with DNSSEC validation. An unauthenticated remote attacker can trigger an assertion failure and daemon exit by querying a specially crafted zone, leading to a complete service outage. This vulnerability has a high severity CVSS score of 7.8, indicating a critical impact on availability with low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
9.7.0CPE matchmatch criteria | cpe:2.3:a:isc:bind:9.7.0:*:*:*:*:*:*:* | ||
9.7.0CPE matchmatch criteria | cpe:2.3:a:isc:bind:9.7.0:b1:*:*:*:*:*:* | ||
9.7.0CPE matchmatch criteria | cpe:2.3:a:isc:bind:9.7.0:p1:*:*:*:*:*:* | ||
9.7.0CPE matchmatch criteria | cpe:2.3:a:isc:bind:9.7.0:p2:*:*:*:*:*:* | ||
9.7.0CPE matchmatch criteria | cpe:2.3:a:isc:bind:9.7.0:rc1:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.