Debian DLA-3359-1 : libapache2-mod-auth-mellon - LTS security update

medium Nessus Plugin ID 172487

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-3359 advisory.

- mod_auth_mellon through 0.14.2 has an Open Redirect via the login?ReturnTo= substring, as demonstrated by omitting the // after http: in the target URL. (CVE-2019-13038)

- A flaw was found in mod_auth_mellon where it does 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. The highest threat from this liability is to confidentiality and integrity. (CVE-2021-3639)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the libapache2-mod-auth-mellon packages.

For Debian 10 buster, these problems have been fixed in version 0.14.2-1+deb10u1.

Plugin Details

Severity: Medium

ID: 172487

File Name: debian_DLA-3359.nasl

Version: 1.0

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 3/12/2023

Updated: 3/12/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2019-13038

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2021-3639

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libapache2-mod-auth-mellon, cpe:/o:debian:debian_linux:10.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 3/13/2023

Vulnerability Publication Date: 6/29/2019

Reference Information

CVE: CVE-2019-13038, CVE-2021-3639

Detections

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