isc bind CVE-2020-8624 vulnerability in ISC and Other Products
Published on August 21, 2020

update-policy rules of type "subdomain" are enforced incorrectly

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In BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.12-S1 -> 9.9.13-S1, 9.11.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone's content could abuse these unintended additional privileges to update other contents of the zone.

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Vulnerability Analysis

CVE-2020-8624 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
LOW
Availability Impact:
NONE

Products Associated with CVE-2020-8624

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2020-8624 are published in these products:

ISC BIND
 
Fedora Project Fedora
 
Debian Linux
 
Canonical Ubuntu Linux
 
NetApp Steelstore Cloud Integrated Storage
 
OpenSuse Leap
 

Affected Versions

ISC BIND9:

Exploit Probability

EPSS
1.69%
Percentile
81.92%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.