#VU74621 Arbitrary file upload in Linkis - CVE-2023-27603

Vulnerability identifier: #VU74621

Vulnerability risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-27603

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Linkis
Server applications / Application servers

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload when handling .zip archives within the Manager module engineConn. A remote attacker can upload a malicious archive and execute arbitrary files on the server once the archive is unpacked.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linkis: 0.5.0 - 1.3.1

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External links
https://lists.apache.org/thread/6n1vlvnyn441rm02zdqc0wnpckj8ltn8

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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