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veracodeVeracode Vulnerability DatabaseVERACODE:48213
HistoryJul 24, 2024 - 7:37 a.m.

Denial Of Service (DoS)

2024-07-2407:37:16
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
5
libbind9
vulnerability
denial of service
resolver caches
authoritative zone databases
rrs
hostname
client queries

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

6.6

Confidence

High

EPSS

0.001

Percentile

20.9%

libbind9.so is vulnerable to Denial of Service. The vulnerability is due to resolver caches and authoritative zone databases holding significant numbers of RRs for the same hostname, leading to issues when content is added or updated, and when handling client queries for this name.

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

6.6

Confidence

High

EPSS

0.001

Percentile

20.9%