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ubuntucveUbuntu.comUB:CVE-2019-3878
HistoryMar 21, 2019 - 12:00 a.m.

CVE-2019-3878

2019-03-2100:00:00
ubuntu.com
ubuntu.com
14

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.018 Low

EPSS

Percentile

87.9%

A vulnerability was found in mod_auth_mellon before v0.14.2. If Apache is
configured as a reverse proxy and mod_auth_mellon is configured to only let
through authenticated users (with the require valid-user directive), adding
special HTTP headers that are normally used to start the special SAML ECP
(non-browser based) can be used to bypass authentication.

Bugs

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.018 Low

EPSS

Percentile

87.9%