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ubuntucveUbuntu.comUB:CVE-2024-1488
HistoryFeb 15, 2024 - 12:00 a.m.

CVE-2024-1488

2024-02-1500:00:00
ubuntu.com
ubuntu.com
10
vulnerability
unbound
incorrect permissions
runtime configuration
local resolver
forwarders
tracking
disruption
ubuntu.

8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.2%

A vulnerability was found in Unbound due to incorrect default permissions,
allowing any process outside the unbound group to modify the unbound
runtime configuration. If a process can connect over localhost to port
8953, it can alter the configuration of unbound.service. This flaw allows
an unprivileged attacker to manipulate a running instance, potentially
altering forwarders, allowing them to track all queries forwarded by the
local resolver, and, in some cases, disrupting resolving altogether.

Notes

Author Note
mdeslaur This is an issue specific to Red Hat packaging, Ubuntu is not affected by this issue.

8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.2%