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CVE-2024-4068 is an uncontrolled resource-consumption vulnerability in npm braces versions earlier than 3.0.3. Processing attacker-supplied imbalanced-brace input can cause the package parser to enter a loop that continually allocates JavaScript heap memory without releasing it. Allocation continues until the runtime heap limit is reached, causing the affected process to crash.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository is a vulnerability research and proof-of-concept package for a denial-of-service issue in the npm package micromatch/braces version 3.0.3. The repo contains one primary executable PoC, poc_braces_dos.py, plus supporting documentation (README, findings, verdict, disclosure report, email draft) and a proposed source patch in patch.diff. The PoC is not a remote exploit framework module; it is a local reproduction harness that verifies/install braces@3.0.3, then launches Node.js snippets to call braces.expand() with crafted comma-separated brace patterns such as '{a,b}'.repeat(22). The main capability is triggering uncontrolled resource consumption: exponential output expansion creates millions of array elements, consuming large amounts of heap memory and CPU time, potentially causing event-loop blocking, timeout, crash, or OOM kill. No C2, callback, or external network infrastructure is present. The only external interactions are local execution of npm/node commands and references to upstream GitHub/advisory URLs in documentation. Structurally, the repository is centered on demonstrating and documenting an incomplete fix scenario related to CVE-2024-4068, with patch.diff showing a mitigation that wraps append() calls in lib/expand.js with output-size validation.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in braces caused by failure to limit the number of characters the component can handle.
A braces package vulnerability caused by failure to limit the number of characters it processes.
Addressed in updated multicluster engine for Kubernetes images; flaw details are not supplied.
Addressed by updated container images; no flaw details provided.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.