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ubuntucveUbuntu.comUB:CVE-2018-4058
HistoryMar 21, 2019 - 12:00 a.m.

CVE-2018-4058

2019-03-2100:00:00
ubuntu.com
ubuntu.com
10

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

21.8%

An exploitable unsafe default configuration vulnerability exists in the
TURN server functionality of coTURN prior to 4.5.0.9. By default, the TURN
server allows relaying external traffic to the loopback interface of its
own host. This can provide access to other private services running on that
host, which can lead to further attacks. An attacker can set up a relay
with a loopback address as the peer on an affected TURN server to trigger
this vulnerability.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchcoturn< 4.5.0.7-1ubuntu2.18.04.1UNKNOWN
ubuntu18.10noarchcoturn< 4.5.0.7-1ubuntu2.18.10.1UNKNOWN
ubuntu16.04noarchcoturn< 4.5.0.3-1ubuntu0.2UNKNOWN

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

21.8%