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ubuntucveUbuntu.comUB:CVE-2017-7537
HistoryJul 26, 2018 - 12:00 a.m.

CVE-2017-7537

2018-07-2600:00:00
ubuntu.com
ubuntu.com
9

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.002 Low

EPSS

Percentile

52.4%

It was found that a mock CMC authentication plugin with a hardcoded secret
was accidentally enabled by default in the pki-core package before 10.6.4.
An attacker could potentially use this flaw to bypass the regular
authentication process and trick the CA server into issuing certificates.

Bugs

Notes

Author Note
sbeattie upstream fixed in 10.5.0
OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchdogtag-pki< anyUNKNOWN

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.002 Low

EPSS

Percentile

52.4%