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gentooGentoo FoundationGLSA-202310-16
HistoryOct 26, 2023 - 12:00 a.m.

Ubiquiti UniFi: remote code execution via bundled log4j

2023-10-2600:00:00
Gentoo Foundation
security.gentoo.org
43
ubiquiti networks
remote code execution
cve
logging configuration
database appender
jndi uri
upgrade
security advisory

CVSS2

6

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.973

Percentile

99.9%

Background

Ubiquiti UniFi is a Management Controller for Ubiquiti Networks UniFi APs.

Description

A bundled version of log4j could facilitate remote code execution. Please review the CVE identifier referenced below for details.

Impact

An attacker with permission to modify the logging configuration file can construct a malicious configuration using a JDBC Appender with a data source referencing a JNDI URI which can execute remote code.

Workaround

There is no known workaround at this time.

Resolution

All Ubiquity UniFi users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-wireless/unifi-6.5.55"
OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-wireless/unifi< 6.5.55UNKNOWN

CVSS2

6

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.973

Percentile

99.9%