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Debian LTS Advisory DLA-3499-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Guilhem Moulin
July 19, 2023 https://wiki.debian.org/LTS
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Package : libapache2-mod-auth-openidc
Version : 2.3.10.2-1+deb10u3
CVE ID : CVE-2021-39191 CVE-2022-23527
Debian Bug : 993648 1026444
Open Redirect vulnerabilities were found in libapache2-mod-auth-openidc,
OpenID Connect Relying Party implementation for Apache, which could lead
to information disclosure via phishing attacks.
CVE-2021-39191
The 3rd-party init SSO functionality of mod_auth_openidc was
reported to be vulnerable to an open redirect attack by supplying a
crafted URL in the target_link_uri parameter.
CVE-2022-23527
When providing a logout parameter to the redirect URI,
mod_auth_openidc failed to properly check for URLs starting with
"/\t", leading to an open redirect.
For Debian 10 buster, these problems have been fixed in version
2.3.10.2-1+deb10u3.
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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