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CVE Vulnerabilities

CVE-2023-6681

Uncontrolled Resource Consumption

Published: Feb 12, 2024 | Modified: Nov 21, 2024
CVSS 3.x
5.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.x
RedHat/V2
RedHat/V3
5.3 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2023-6681
CWEhttps://cwe.mitre.org/data/definitions/400.html

A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.

Weakness

The product does not properly control the allocation and maintenance of a limited resource.

Affected Software

NameVendorStart VersionEnd Version
JwcryptoLatchset*1.5.1 (excluding)
Red Hat Enterprise Linux 8RedHatidm:client-8100020240417004735.143e9e98*
Red Hat Enterprise Linux 8RedHatidm:DL1-8100020240416171943.823393f5*
Red Hat Enterprise Linux 9RedHatpython-jwcrypto-0:1.5.6-2.el9*
Python-jwcryptoUbuntubionic*
Python-jwcryptoUbuntudevel*
Python-jwcryptoUbuntuesm-apps/noble*
Python-jwcryptoUbuntufocal*
Python-jwcryptoUbuntumantic*
Python-jwcryptoUbuntunoble*
Python-jwcryptoUbuntuoracular*
Python-jwcryptoUbuntuplucky*
Python-jwcryptoUbuntuquesting*
Python-jwcryptoUbuntuxenial*

Potential Mitigations

  • Mitigation of resource exhaustion attacks requires that the target system either:

  • The first of these solutions is an issue in itself though, since it may allow attackers to prevent the use of the system by a particular valid user. If the attacker impersonates the valid user, they may be able to prevent the user from accessing the server in question.

  • The second solution is simply difficult to effectively institute – and even when properly done, it does not provide a full solution. It simply makes the attack require more resources on the part of the attacker.

References

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