rustsec-2021-0039
Vulnerability from osv_rustsec
Published
2021-01-04 12:00
Modified
2023-06-13 13:10
Summary
panic in user-provided `Endian` impl triggers double drop of T
Details
Affected versions of the crate does not guard against panic from user-provided impl of Endian trait, which is a safe trait that users can implement.
If a user-provided implementation of the Endian trait panics, double-drop is triggered due to the duplicated ownership of T created by ptr::read().
Double-drop (or double free) can cause memory corruption in the heap.
{
"affected": [
{
"database_specific": {
"categories": [
"memory-corruption"
],
"cvss": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"informational": null
},
"ecosystem_specific": {
"affected_functions": null,
"affects": {
"arch": [],
"functions": [],
"os": []
}
},
"package": {
"ecosystem": "crates.io",
"name": "endian_trait",
"purl": "pkg:cargo/endian_trait"
},
"ranges": [
{
"events": [
{
"introduced": "0.0.0-0"
}
],
"type": "SEMVER"
}
],
"versions": []
}
],
"aliases": [
"CVE-2021-29929",
"GHSA-vpw8-43wm-rxw5"
],
"database_specific": {
"license": "CC0-1.0"
},
"details": "Affected versions of the crate does not guard against panic from user-provided impl of `Endian` trait, which is a safe trait that users can implement.\nIf a user-provided implementation of the `Endian` trait panics, double-drop is triggered due to the duplicated ownership of `T` created by `ptr::read()`.\n\nDouble-drop (or double free) can cause memory corruption in the heap.",
"id": "RUSTSEC-2021-0039",
"modified": "2023-06-13T13:10:24Z",
"published": "2021-01-04T12:00:00Z",
"references": [
{
"type": "PACKAGE",
"url": "https://crates.io/crates/endian_trait"
},
{
"type": "ADVISORY",
"url": "https://rustsec.org/advisories/RUSTSEC-2021-0039.html"
},
{
"type": "REPORT",
"url": "https://gitlab.com/myrrlyn/endian_trait/-/issues/1"
}
],
"related": [],
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "panic in user-provided `Endian` impl triggers double drop of T"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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