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AUSCERT External Security Bulletin Redistribution
ESB-2020.2602
libapache2-mod-auth-openidc security update
30 July 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: libapache2-mod-auth-openidc
Publisher: Debian
Operating System: Debian GNU/Linux 9
Impact/Access: Cross-site Scripting -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-1010247 CVE-2019-20479 CVE-2019-14857
Reference: ESB-2020.0940
ESB-2020.0756
Original Bulletin:
https://www.debian.org/lts/security/2020/dla-2298
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Debian LTS Advisory DLA-2298-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Thorsten Alteholz
July 29, 2020 https://wiki.debian.org/LTS
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Package : libapache2-mod-auth-openidc
Version : 2.1.6-1+deb9u1
CVE ID : CVE-2019-14857 CVE-2019-20479 CVE-2019-1010247
Several issues have been found in libapache2-mod-auth-openidc, the OpenID
Connect authentication module for the Apache HTTP server.
CVE-2019-14857
Insufficient validation of URLs leads to an Open Redirect
vulnerability. An attacker may trick a victim into providing
credentials for an OpenID provider by forwarding the request to an
illegitimate website.
CVE-2019-20479
Due to insufficient validatation of URLs an Open Redirect
vulnerability for URLs beginning with a slash and backslash could be
abused.
CVE-2019-1010247
The OIDCRedirectURI page contains generated JavaScript code that uses
a poll parameter as a string variable, thus might contain additional
JavaScript code. This might result in Criss-Site Scripting (XSS).
For Debian 9 stretch, these problems have been fixed in version
2.1.6-1+deb9u1.
We recommend that you upgrade your libapache2-mod-auth-openidc packages.
For the detailed security status of libapache2-mod-auth-openidc please
refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libapache2-mod-auth-openidc
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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