CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
89.6%
CentOS Errata and Security Advisory CESA-2019:0766
The mod_auth_mellon module for the Apache HTTP Server is an authentication service that implements the SAML 2.0 federation protocol. The module grants access based on the attributes received in assertions generated by an IdP server.
Security Fix(es):
mod_auth_mellon: authentication bypass in ECP flow (CVE-2019-3878)
mod_auth_mellon: open redirect in logout url when using URLs with backslashes (CVE-2019-3877)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2019-April/085432.html
Affected packages:
mod_auth_mellon
mod_auth_mellon-diagnostics
Upstream details at:
https://access.redhat.com/errata/RHSA-2019:0766
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
CentOS | 7 | x86_64 | mod_auth_mellon | < 0.14.0-2.el7_6.4 | mod_auth_mellon-0.14.0-2.el7_6.4.x86_64.rpm |
CentOS | 7 | x86_64 | mod_auth_mellon-diagnostics | < 0.14.0-2.el7_6.4 | mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.x86_64.rpm |
CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
89.6%