Main Vulnerability Database Vulnerabilities #VU34208

Deserialization of Untrusted Data in SquirrelMail - CVE-2020-14933

Published: June 20, 2020 / Updated: August 8, 2020

Vulnerability identifier: #VU34208

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2020-14933

CWE-ID: CWE-502

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: SquirrelMail Development Team

Affected software:
SquirrelMail

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

compose.php in SquirrelMail 1.4.22 calls unserialize for the $attachments value, which originates from an HTTP POST request.

Install update from vendor's website.