Remote code execution in phpMussel



Published: 2020-06-18
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-4043
CWE-ID CWE-502
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		phpMussel
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor phpMussel

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Deserialization of Untrusted Data

EUVDB-ID: #VU29125

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-4043

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data in PHP's phar wrapper. A remote authenticated attacker can pass specially crafted file to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

phpMussel: 0.1 - 1.5.0

CPE2.3 External links

http://github.com/phpMussel/phpMussel/commit/97f25973433921c1f953430f32d3081adc4851a4
http://github.com/phpMussel/phpMussel/issues/167
http://github.com/phpMussel/phpMussel/pull/173
http://github.com/phpMussel/phpMussel/security/advisories/GHSA-qr95-4mq5-r3fh
http://github.com/phpMussel/phpMussel/security/policy#currently-known-vulnerabilities


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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