#VU23340 Infinite loop in GoAhead - CVE-2019-5097

Vulnerability identifier: #VU23340

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-5097

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GoAhead
Server applications / Web servers

Vendor: EmbedThis

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in the processing of multi-part/form-data requests in the base GoAhead web server application. A remote attacker can send a specially crafted HTTP request, consume all available system resources and cause denial of service conditions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GoAhead: 3.6.5 - 5.0.1

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External links
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0889

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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.