Heap Overflow in Gitoxide Delta Application

Executive Summary

gitoxide before 0.69.0 has unchecked array indexing in delta application and uncapped allocation from attacker-controlled size headers in gix-pack. Attackers can send crafted pack data during clone or fetch operations to trigger panics or out-of-memory process kills.

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Detection Guidance

This vulnerability involves crafted pack data during git operations. Monitor for crashes or out-of-memory errors during git clone or fetch operations. Check logs for panics or process kills related to gitoxide or gix-pack.

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Impact Analysis

This vulnerability allows attackers to crash applications or consume excessive memory by sending specially crafted data during Git operations like clone or fetch, potentially disrupting services or causing denial-of-service conditions.

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Mitigation Strategies

Upgrade gitoxide to version 0.69.0 or later to address the unchecked array indexing and uncapped allocation issues. Avoid using vulnerable versions for clone or fetch operations.

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