Vulnerability identifier: #VU13898

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-12520

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
ntopng
Client/Desktop applications / Other client software

Vendor: ntop

Description
The vulnerability allows a remote attacker to bypass authentication on the target system.

The vulnerability exists in ntopng network analyzer due to session management issues. A remote attacker can send specially crafted packets to the affected server, bypass authentication to hijack a user's session and escalate his access to the system.

Mitigation
Update to version 3.4.180617.

Vulnerable software versions

ntopng: All versions

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External links
http://github.com/ntop/ntopng/commit/30610bda60cbfc058f90a1c0a17d0e8f4516221a

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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. However, proof of concept for this vulnerability is available.