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ubuntucveUbuntu.comUB:CVE-2023-4399
HistoryOct 17, 2023 - 12:00 a.m.

CVE-2023-4399

2023-10-1700:00:00
ubuntu.com
ubuntu.com
20
grafana
enterprise
deny list
security feature
bypass
punycode encoding
hosts

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:M/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

18.2%

Grafana is an open-source platform for monitoring and observability. In
Grafana Enterprise, Request security is a deny list that allows admins to
configure Grafana in a way so that the instance doesn’t call specific
hosts. However, the restriction can be bypassed used punycode encoding of
the characters in the request address.

Notes

Author Note
sbeattie grafana enterprise only

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:M/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

18.2%

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