ghsa-r33q-22hv-j29q
Vulnerability from github
Published
2021-06-29 21:14
Modified
2023-02-09 19:39
Severity ?
Summary
Denial of service in github.com/ethereum/go-ethereum
Details
Impact
A DoS vulnerability can make a LES server crash via malicious GetProofsV2 request from a connected LES client.
Patches
The vulnerability was patched in https://github.com/ethereum/go-ethereum/pull/21896.
Workarounds
This vulnerability only concerns users explicitly enabling les server; disabling les prevents the exploit.
It can also be patched by manually applying the patch in https://github.com/ethereum/go-ethereum/pull/21896.
For more information
If you have any questions or comments about this advisory: * Open an issue in go-ethereum * Email us at security@ethereum.org
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "github.com/ethereum/go-ethereum"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.9.25"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2020-26264"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": true,
"github_reviewed_at": "2021-05-21T21:45:23Z",
"nvd_published_at": null,
"severity": "MODERATE"
},
"details": "### Impact\n\nA DoS vulnerability can make a LES server crash via malicious `GetProofsV2` request from a connected LES client.\n\n### Patches\n\nThe vulnerability was patched in https://github.com/ethereum/go-ethereum/pull/21896. \n\n### Workarounds\n\nThis vulnerability only concerns users explicitly enabling `les` server; disabling `les` prevents the exploit. \nIt can also be patched by manually applying the patch in https://github.com/ethereum/go-ethereum/pull/21896. \n\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [go-ethereum](https://github.com/ethereum/go-ethereum)\n* Email us at [security@ethereum.org](mailto:security@ethereum.org)",
"id": "GHSA-r33q-22hv-j29q",
"modified": "2023-02-09T19:39:22Z",
"published": "2021-06-29T21:14:07Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-r33q-22hv-j29q"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-26264"
},
{
"type": "WEB",
"url": "https://github.com/ethereum/go-ethereum/pull/21896"
},
{
"type": "WEB",
"url": "https://github.com/ethereum/go-ethereum/commit/bddd103a9f0af27ef533f04e06ea429cf76b6d46"
},
{
"type": "PACKAGE",
"url": "https://github.com/ethereum/go-ethereum"
},
{
"type": "WEB",
"url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.9.25"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2021-0063"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "Denial of service in github.com/ethereum/go-ethereum"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.