Vulnerability identifier: #VU48086

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

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

Vendor: ntop

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error on HTTP dissected last_url. A remote attacker can send specially crafted HTTP request to the application, trigger a heap-based buffer overflow and crash the application or execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ntopng: 3.8 - 4.0

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External links
http://github.com/ntop/ntopng/releases/tag/4.2

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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.