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CVE-2018-25022

3.1 · LOW

The Onion module in toxcore before 0.2.2 doesn't restrict which packets can be onion-routed, which allows a remote attacker to discover a target user's IP address (when knowing only their Tox Id) b…

Published Dec 13, 2021CWE-200EPSS 1.55%

Overview

CVE-2018-25022 is a low-severity vulnerability. It was published on December 13, 2021 and has a CVSS 3.1 base score of 3.1 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.1, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The Onion module in toxcore before 0.2.2 doesn't restrict which packets can be onion-routed, which allows a remote attacker to discover a target user's IP address (when knowing only their Tox Id) by positioning themselves close to target's Tox Id in the DHT for the target to establish an onion connection with the attacker, guessing the target's DHT public key and creating a DHT node with public key close to it, and finally onion-routing a NAT Ping Request to the target, requesting it to ping the just created DHT node.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refblog.tox.chat/2018/04/security-vulnerability-and-new-toxcore-releaseGitHubgithub.com/TokTok/c-toxcore/issues/873GitHubgithub.com/TokTok/c-toxcore/pull/872Refblog.tox.chat/2018/04/security-vulnerability-and-new-toxcore-releaseGitHubgithub.com/TokTok/c-toxcore/issues/873GitHubgithub.com/TokTok/c-toxcore/pull/872

How CyberStrike helps

Frequently asked questions

What is CVE-2018-25022?

CVE-2018-25022 is a low-severity vulnerability. It was published on December 13, 2021 and has a CVSS 3.1 base score of 3.1 (LOW).

How severe is CVE-2018-25022?

This vulnerability has a CVSS 3.1 base score of 3.1, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-25022?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-25022?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-25022 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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