Input validation error in Debian Linux - CVE-2017-12869

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Main Vulnerability Database Vulnerabilities #VU38372

Input validation error in Debian Linux - CVE-2017-12869

Published: September 1, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU38372
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-12869
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Debian
Affected software:
Debian Linux

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The multiauth module in SimpleSAMLphp 1.14.13 and earlier allows remote attackers to bypass authentication context restrictions and use an authentication source defined in config/authsources.php via vectors related to improper validation of user input.


How to mitigate CVE-2017-12869

Install update from vendor's website.

Sources