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‎advisories/RUSTSEC-2025-0018.html‎

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<a href="https://github.com/RustSec/advisory-db/commits/main/crates/xmas-elf/RUSTSEC-2025-0018.md">History</a> ⋅
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<a href="https://github.com/RustSec/advisory-db/edit/main/crates/xmas-elf/RUSTSEC-2025-0018.md">Edit</a> ⋅
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<a href="https://api.osv.dev/v1/vulns/RUSTSEC-2025-0018">JSON (OSV)</a>
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</span>
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<header>
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<h1>
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RUSTSEC-2025-0018
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</h1>
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<span class="subtitle"><p>Potential out-of-bounds read with a malformed ELF file and the HashTable API.</p>
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</span>
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</header>
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<dl>
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<dt id="reported">Reported</dt>
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<dd>
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<time datetime="2025-03-26">
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March 26, 2025
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</time>
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</dd>
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<dt id="issued">Issued</dt>
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<dd>
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<time datetime="2025-03-26">
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March 26, 2025
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</time>
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</dd>
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<dt id="package">Package</dt>
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<dd>
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<a href="/packages/xmas-elf.html">xmas-elf</a>
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(<a href="https://crates.io/crates/xmas-elf">crates.io</a>)
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</dd>
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<dt id="type">Type</dt>
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<dd>
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Vulnerability
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</dd>
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<dt id="categories">Categories</dt>
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<dd>
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<ul>
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<li><a href="/categories/memory-exposure.html">memory-exposure</a></li>
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</ul>
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</dd>
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<dt id="details">References</dt>
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<dd>
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<ul>
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<li>
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<a href="https://github.com/nrc/xmas-elf/issues/86">
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https://github.com/nrc/xmas-elf/issues/86
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</a>
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</li>
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</ul>
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</dd>
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<dt id="patched">Patched</dt>
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<dd>
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<ul>
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<li><code>&gt;=0.10</code></li>
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</ul>
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</dd>
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</dl>
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<dl>
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<dt>Affected Functions</dt>
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<dd>Version</dd>
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<dt><code>xmas_elf::hash::HashTable::get_bucket</code></dt>
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<dd>
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<ul>
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<li><code>&lt;0.10</code></li>
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</ul>
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</dd>
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<dt><code>xmas_elf::hash::HashTable::get_chain</code></dt>
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<dd>
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<ul>
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<li><code>&lt;0.10</code></li>
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</ul>
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</dd>
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</dl>
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<h3 id="description">Description</h3>
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<p>Affected versions of this crate only validated the <code>index</code> argument of
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<code>HashTable::get_bucket</code> and <code>HashTable::get_chain</code> against the input-controlled
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<code>bucket_count</code> and <code>chain_count</code> fields, but not against the size of the ELF
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section. As a result, a malformed ELF file could trigger out-of-bounds reads in
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a consumer of the HashTable API by setting these fields to inappropriately large
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values that would fall outside the relevant hash table section, and by
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introducing correspondingly out-of-bounds hash table indexes elsewhere in the ELF
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file.</p>
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<p id="license" class="license">Advisory available under <a href="https://spdx.org/licenses/CC0-1.0.html">CC0-1.0</a>
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license.
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</p>
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</article>
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</main>

‎advisories/index.html‎

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<time datetime="2025-03-26">
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March 26, 2025
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</time>
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<h3>
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<a href="/advisories/RUSTSEC-2025-0018.html">
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RUSTSEC-2025-0018: Vulnerability in xmas-elf
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</a>
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</h3>
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<span><p>Potential out-of-bounds read with a malformed ELF file and the HashTable API.</p>
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</span>
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</li>
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<li>
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<time datetime="2025-03-23">
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March 23, 2025

‎categories/memory-exposure.html‎

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<li>
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<time datetime="2025-03-26">
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March 26, 2025
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</time>
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<h3>
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<a href="/advisories/RUSTSEC-2025-0018.html">
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RUSTSEC-2025-0018: Vulnerability in xmas-elf
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</a>
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</h3>
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<span><p>Potential out-of-bounds read with a malformed ELF file and the HashTable API.</p>
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</span>
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</li>
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<li>
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<time datetime="2025-02-02">
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February 2, 2025

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