Vulnerability identifier: #VU55420

Vulnerability risk: Medium

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-37588

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Charm
Server applications / Frameworks for developing and running applications

Vendor: JHU Security and Crypto Lab

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote attacker can decrypt YCT14 data and gain unauthorized access to sensitive information on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Charm: 0.43

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External links
http://github.com/JHUISI/charm/issues/276
http://charm-crypto.io/

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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.