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CVE-2024-45338 is a critical vulnerability affecting Go-based applications and specific parsing routines.
An attacker can craft a specially designed input payload sent to vulnerable Parse functions.
When the application processes this maliciously crafted input, it behaves unexpectedly.
Specifically, the input is processed in a non-linear fashion relative to its length.
As the input size increases, the computational complexity scales exponentially or quadratically.
This extreme inefficiency causes the parsing engine to consume massive amounts of CPU resources.
Consequently, the system experiences severe performance degradation or complete unresponsiveness.
This flaw directly leads to a denial of service condition for dependent services.
The `k37y/gvs` utility helps detect such vulnerabilities by analyzing Golang codebases.
In version v0.0.5, new graph generation features and early exit scanning have been introduced.
These additions improve how call graphs and endpoint-symbol combinations are evaluated.
Security analysts can utilize these enhancements to trace execution paths effectively.
Identifying where untrusted input reaches vulnerable parser functions is crucial.
The tool maps repository URLs, branches, and commit hashes against known vulnerability signatures.
By leveraging graph-based algorithms like VTA, RTA, CHA, and static analysis, it spots flaws.
The parser evaluates reflection risks and unsafe operations within the codebase structures.
Understanding this mechanism allows developers to refactor vulnerable parsing logic safely.
Input length validation and strict resource limits are primary countermeasures.
Without proper safeguards, applications remain susceptible to resource exhaustion attacks.
Attackers do not need authenticated access to trigger this parsing inefficiency remotely.
A single well-formed payload can exhaust the available thread pool or CPU cores.
Mitigation requires updating affected library dependencies and implementing strict timeouts.
Automated scanners like `gvs` assist in identifying these weak points during CI/CD pipelines.
Developers must audit all custom parsing implementations handling external data streams.
Ensuring linear parsing complexity prevents algorithmic complexity attacks entirely.
Regular code reviews combined with automated vulnerability intelligence keep software robust.
The release of v0.0.5 brings vital fixes and UI improvements for tracking these risks.
Staying vigilant against parsing vulnerabilities protects infrastructure from unexpected outages.
DailyCVE Form:
Platform: k37y gvs tool
Version: v0.0.5 release
Vulnerability: Denial of service
Severity: High rating
date: January 27, 2026
Prediction: Already patched today
What Undercode Say:
git clone https://github.com/k37y/gvs cd gvs export ALGO=vta make image-run ./bin/cg -algo rta CVE-2024-45338 /path/to/repo
package main
import "fmt"
func main() {
fmt.Println("Analyzing codebase for CVE-2024-45338 symbols")
}
Exploit: (Educational Purposes!)
import requests
url = "http://localhost:8080/scan"
payload = {"repo": "https://github.com/example/vulnerable-repo", "cve": "CVE-2024-45338"}
response = requests.post(url, json=payload)
print(response.status_code)
Protection: from this CVE
Update all vulnerable dependencies and parser libraries immediately.
Implement strict input length checks and maximum size limits before parsing.
Apply request timeouts to terminate hanging parser threads automatically.
Use vulnerability scanners like `gvs` version v0.0.5 to audit codebase paths.
Impact:
Complete denial of service affecting application availability and uptime.
Exhaustion of server CPU resources and thread pools under malicious load.
Potential cascading failures across dependent microservices and API gateways.
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Sources:
Reported By: github.com
Extra Source Hub:
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