#VU86992 Allocation of Resources Without Limits or Throttling in ion-java - CVE-2024-21634

Vulnerability identifier: #VU86992

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-2024-21634

CWE-ID: CWE-770

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ion-java
Client/Desktop applications / Software for system administration

Vendor: Amazon Ion

Description

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

The vulnerability exists due in `ion-java` for applications that use `ion-java` to deserialize Ion text encoded data, or deserialize Ion text or binary encoded data into the `IonValue` model and then invoke certain `IonValue` methods on that in-memory representation. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ion-java: 1.0.0 - 1.10.5

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External links
https://github.com/amazon-ion/ion-java/security/advisories/GHSA-264p-99wq-f4j6

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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.