6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
7 High
AI Score
Confidence
Low
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
39.0%
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
Attachment:
signature.asc
Description: PGP signature
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
7 High
AI Score
Confidence
Low
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
39.0%