CVE-2023-29479

Ribose RNP before 0.16.3 may hang when the input is malformed.

Weakness

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

Affected Software

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.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/147.html
• https://cwe.mitre.org/data/definitions/227.html
• https://cwe.mitre.org/data/definitions/492.html

References

• https://cve.ribose.com/advisories/ra-2023-04-11/
• https://open.ribose.com/advisories/ra-2023-04-11/
• https://www.rnpgp.org/blog/2023-04-13-rnp-release-0-16-3/
• https://cve.ribose.com/advisories/ra-2023-04-11/
• https://www.rnpgp.org/blog/2023-04-13-rnp-release-0-16-3/