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Red Hat: RHSA-2019-3421-01 Moderate: mod_auth_mellon Open Redirect

red hat
Calendar Grey November 5, 2019
Dist Redhat Esm H88
Red Hat issued a minor security bulletin for mod_auth_mellon, resolving an open redirect vulnerability present in the logout path.
An update for mod_auth_mellon is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

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: 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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate Red Hat authentication service mod_auth_mellon open redirect

References

https://access.redhat.com/security/cve/CVE-2019-3877 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: mod_auth_mellon-0.14.0-9.el8.src.rpm
aarch64: mod_auth_mellon-0.14.0-9.el8.aarch64.rpm mod_auth_mellon-debuginfo-0.14.0-9.el8.aarch64.rpm mod_auth_mellon-debugsource-0.14.0-9.el8.aarch64.rpm mod_auth_mellon-diagnostics-0.14.0-9.el8.aarch64.rpm mod_auth_mellon-diagnostics-debuginfo-0.14.0-9.el8.aarch64.rpm
ppc64le: mod_auth_mellon-0.14.0-9.el8.ppc64le.rpm mod_auth_mellon-debuginfo-0.14.0-9.el8.ppc64le.rpm mod_auth_mellon-debugsource-0.14.0-9.el8.ppc64le.rpm mod_auth_mellon-diagnostics-0.14.0-9.el8.ppc64le.rpm mod_auth_mellon-diagnostics-debuginfo-0.14.0-9.el8.ppc64le.rpm
s390x: mod_auth_mellon-0.14.0-9.el8.s390x.rpm mod_auth_mellon-debuginfo-0.14.0-9.el8.s390x.rpm mod_auth_mellon-debugsource-0.14.0-9.el8.s390x.rpm mod_auth_mellon-diagnostics-0.14.0-9.el8.s390x.rpm mod_auth_mellon-diagnostics-debuginfo-0.14.0-9.el8.s390x.rpm
x86_64: mod_auth_mellon-0.14.0-9.el8.x86_64.rpm mod_auth_mellon-debuginfo-0.14.0-9.el8.x86_64.rpm mod_auth_mellon-debugsource-0.14.0-9.el8.x86_64.rpm mod_auth_mellon-diagnostics-0.14.0-9.el8.x86_64.rpm mod_auth_mellon-diagnostics-debuginfo-0.14.0-9.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3421-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3421
Issue date: 2019-11-05

Topic

An update for mod_auth_mellon is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate Red Hat authentication service mod_auth_mellon open redirect

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1691125 - CVE-2019-3877 mod_auth_mellon: open redirect in logout url when using URLs with backslashes

1691894 - [RFE] Config option to change mod_auth_mellon prefix

1702695 - fresh install of mod_auth_mellon shows rpm verification warnings

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