Remote code execution in Geoserver 2

1) Input validation error

EUVDB-ID: #VU77583

Risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-35042

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in a java method in wps:LiteralData. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation

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

Vulnerable software versions

GeoServer 2: All versions

External links

http://docs.geoserver.org/stable/en/user/services/wps/operations.html#execute
http://isc.sans.edu/diary/29936
http://www.broadcom.com/support/security-center/attacksignatures/detail?asid=34210

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.