Deserialization of Untrusted Data in GOsa and Debian Linux - CVE-2019-14466
Published: December 31, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU34918
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-14466
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GONICUS
Debian
Debian
Affected software:
GOsa
Debian Linux
GOsa
Debian Linux
Detailed vulnerability description
The vulnerability allows a remote authenticated user to manipulate data.
The GOsa_Filter_Settings cookie in GONICUS GOsa 2.7.5.2 is vulnerable to PHP objection injection, which allows a remote authenticated attacker to perform file deletions (in the context of the user account that runs the web server) via a crafted cookie value, because unserialize is used to restore filter settings from a cookie.
How to mitigate CVE-2019-14466
Install update from vendor's website.