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Filed an advisory for ::safemem::prepend() reference to uninit memory #198

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Filed an advisory for ::safemem::prepend() reference to uninit memory #198

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Filed an advisory for ::safemem::prepend() reference to uninit memory
Oct 23, 2019
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Remove leading colons in full path to be kind to rustsec-admin
Oct 23, 2019
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21 changes: 21 additions & 0 deletions crates/safemem/RUSTSEC-0000-0000.toml
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[advisory]
id = "RUSTSEC-0000-0000"
package = "safemem"
date = "2019-10-23"
title = "prepend() internals create a reference to uninitialized memory"
description = """
Affected versions of this crate had a non-unsafe prepend() function that
temporarily created a `&mut` reference to uninitialized memory of type <T : Copy>
to afterwards write to it, which currently is Undefined Behavior.

This does not allow an attacker to do anything yet, since the uninitialized memory
is not explicitely used by the code, and the current implementations of the
compiler do not seem to exploit the UB.

The flaw was corrected by @danielhenrymantilla and published as of version 0.3.3.
"""
patched_versions = [">= 0.3.3"]
url = "https://github.com/abonander/safemem/issues/7"
keywords = ["uninitialized-memory", "UB"]
[affected]
functions = { "safemem::prepend" = ["< 0.3.3"] }