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
7.3 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
29.6%
Debian LTS Advisory DLA-3359-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
March 13, 2023 https://wiki.debian.org/LTS
Package : libapache2-mod-auth-mellon
Version : 0.14.2-1+deb10u1
CVE ID : CVE-2019-13038 CVE-2021-3639
Debian Bug : 931265, 991730
libapache2-mod-auth-mellon, a SAML 2.0 authentication module for Apache,
were reported to have the following vulnerabilities.
CVE-2019-13038
mod_auth_mellon had an Open Redirect via the login?ReturnTo= substring,
as demonstrated by omitting the // after http: in the target URL.
CVE-2021-3639
mod_auth_mellon did not sanitize logout URLs properly. This issue could
be used by an attacker to facilitate phishing attacks by tricking users
into visiting a trusted web application URL that redirects to an external
and potentially malicious server.
For Debian 10 buster, these problems have been fixed in version
0.14.2-1+deb10u1.
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/libapache2-mod-auth-mellon
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
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
7.3 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
29.6%