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HistoryJul 18, 2023 - 10:51 p.m.

[SECURITY] [DLA 3499-1] libapache2-mod-auth-openidc security update

2023-07-1822:51:29
lists.debian.org
2
phishing attacks
open redirect vulnerabilities
upgrade
libapache2-mod-auth-openidc
debian 10 buster
information disclosure

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

6.7 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.4%


Debian LTS Advisory DLA-3499-1 [email protected]
https://www.debian.org/lts/security/ Guilhem Moulin
July 19, 2023 https://wiki.debian.org/LTS

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:
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Description: PGP signature

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

6.7 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.4%