Open redirect in mod_auth_mellon - CVE-2019-13038

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Main Vulnerability Database Vulnerabilities #VU27295

Open redirect in mod_auth_mellon - CVE-2019-13038

Published: April 23, 2020


Vulnerability identifier: #VU27295
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-13038
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data passed via the "ogin?ReturnTo=" string. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.


Affected software

mod_auth_mellon
Amazon Linux AMI
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64
Oracle Solaris
Fedora
mod_auth_mellon (Red Hat package)
mod_auth_mellon

How to mitigate CVE-2019-13038

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

mod_auth_mellon (Red Hat package) - addressed in versions 0.14.0-8.el7, 0.14.0-11.el8
mod_auth_mellon - addressed in versions 0.15.0-1.fc30, 0.15.0-1.fc31

External References

Related Security Bulletins