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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 - ------------------------------------------------------------------------- Debian Security Advisory DSA-4414-1 security@debian.org https://www.debian.org/security/ Thijs Kinkhorst March 23, 2019 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : libapache2-mod-auth-mellon CVE ID : CVE-2019-3877 CVE-2019-3878 Debian Bug : 925197 Several issues have been discovered in Apache module auth_mellon, which provides SAML 2.0 authentication. CVE-2019-3877 It was possible to bypass the redirect URL checking on logout, so the module could be used as an open redirect facility. CVE-2019-3878 When mod_auth_mellon is used in an Apache configuration which serves as a remote proxy with the http_proxy module, it was possible to bypass authentication by sending SAML ECP headers. For the stable distribution (stretch), these problems have been fixed in version 0.12.0-2+deb9u1. We recommend that you upgrade your libapache2-mod-auth-mellon packages. For the detailed security status of libapache2-mod-auth-mellon please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/libapache2-mod-auth-mellon Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org
Several issues have been discovered in Apache module auth_mellon, which
provides SAML 2.0 authentication.
CVE-2019-3877
It was possible to bypass the redirect URL checking on logout, so
the module could be used as an open redirect facility.
CVE-2019-3878
When mod_auth_mellon is used in an Apache configuration which
serves as a remote proxy with the http_proxy module, it was
possible to bypass authentication by sending SAML ECP headers.
For the stable distribution (stretch), these problems have been fixed in
version 0.12.0-2+deb9u1.
We recommend that you upgrade your libapache2-mod-auth-mellon packages.
For the detailed security status of libapache2-mod-auth-mellon please
refer to its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/libapache2-mod-auth-mellon
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org