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CVE-2024-43410

7.5 · HIGH
Published Aug 21, 2024 russh_project CWE-770 EPSS 0.91% (58th pctl)

Overview

CVE-2024-43410 is a high-severity vulnerability affecting russh_project russh. It was published on August 21, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

Russh is a Rust SSH client & server library. Allocating an untrusted amount of memory allows any unauthenticated user to OOM a russh server. An SSH packet consists of a 4-byte big-endian length, followed by a byte stream of this length.

After parsing and potentially decrypting the 4-byte length, russh allocates enough memory for this bytestream, as a performance optimization to avoid reallocations later. But this length is entirely untrusted and can be set to any value by the client, causing this much memory to be allocated, which will cause the process to OOM within a few such requests. This vulnerability is fixed in 0.44.1.

Remediation

Check the references section for vendor advisories and patches from russh_project. Update russh to the latest patched version. 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.

Affected Products

Vendor Product Versions Status
russh_project russh >= 0, < 0.44.1 Affected
warpgate_project warpgate >= 0, < 0.10.2 Affected

Frequently Asked Questions

What is CVE-2024-43410?

CVE-2024-43410 is a high-severity vulnerability affecting russh_project russh. It was published on August 21, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-43410?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-43410?

Check the references section for vendor advisories and patches from russh_project. Update russh to the latest patched version. 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-2024-43410?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-43410 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.