rustsec-2020-0114
Vulnerability from osv_rustsec
Published
2020-12-22 12:00
Modified
2023-06-13 13:10
Summary
`Demuxer` can carry non-Send types across thread boundaries
Details
In the affected versions of this crate, Demuxer<T> unconditionally implemented Send with no trait bounds on T.
This allows sending a non-Send type T across thread boundaries, which can cause undefined behavior like unlocking a mutex from a thread that didn't lock the mutex, or memory corruption from data race.
The flaw was corrected in commit 0562cbf by adding a T: Send bound to the Send impl for Demuxer<T>.
{
"affected": [
{
"database_specific": {
"categories": [
"memory-corruption",
"thread-safety"
],
"cvss": "CVSS:3.1/AV:N/AC:H/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": "va-ts",
"purl": "pkg:cargo/va-ts"
},
"ranges": [
{
"events": [
{
"introduced": "0.0.0-0"
},
{
"fixed": "0.0.4"
}
],
"type": "SEMVER"
}
],
"versions": []
}
],
"aliases": [
"CVE-2020-36220",
"GHSA-3hj2-hh36-hv9v"
],
"database_specific": {
"license": "CC0-1.0"
},
"details": "In the affected versions of this crate, `Demuxer\u003cT\u003e` unconditionally implemented `Send` with no trait bounds on `T`.\n\nThis allows sending a non-Send type `T` across thread boundaries, which can cause undefined behavior like unlocking a mutex from a thread that didn\u0027t lock the mutex, or memory corruption from data race.\n\nThe flaw was corrected in commit 0562cbf by adding a `T: Send` bound to the `Send` impl for `Demuxer\u003cT\u003e`.",
"id": "RUSTSEC-2020-0114",
"modified": "2023-06-13T13:10:24Z",
"published": "2020-12-22T12:00:00Z",
"references": [
{
"type": "PACKAGE",
"url": "https://crates.io/crates/va-ts"
},
{
"type": "ADVISORY",
"url": "https://rustsec.org/advisories/RUSTSEC-2020-0114.html"
},
{
"type": "REPORT",
"url": "https://github.com/video-audio/va-ts/issues/4"
}
],
"related": [],
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "`Demuxer` can carry non-Send types across thread boundaries"
}
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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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