GHSA-98WX-FQ4R-JFM2
Vulnerability from github – Published: 2022-05-24 19:03 – Updated: 2022-08-06 00:00
VLAI?
Details
An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.
Severity ?
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2021-20237"
],
"database_specific": {
"cwe_ids": [
"CWE-400",
"CWE-401"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-05-28T11:15:00Z",
"severity": "HIGH"
},
"details": "An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ\u0027s src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.",
"id": "GHSA-98wx-fq4r-jfm2",
"modified": "2022-08-06T00:00:47Z",
"published": "2022-05-24T19:03:38Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/zeromq/libzmq/security/advisories/GHSA-4p5v-h92w-6wxw"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20237"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921989"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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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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