Vulnerability identifier: #VU59089

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3737

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
cflinuxfs3
Other software / Other software solutions

Vendor: Cloud Foundry Foundation

Description

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

The vulnerability exists due to infinite loop. A remote attacker who controls a malicious server can force the client to enter an infinite loop on a 100 Continue response.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

cflinuxfs3: 0.200.0 - 0.270.0

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External links
http://github.com/cloudfoundry/cflinuxfs3/releases/tag/0.271.0

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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.