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vuln-cve/data/2022/23xxx/CVE-2022-23495.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"cveId": "CVE-2022-23495",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"requesterUserId": "c184a3d9-dc98-4c48-a45b-d2d88cf0ac74",
"dateReserved": "2022-01-19T21:23:53.766Z",
"datePublished": "2022-12-08T21:25:40.257Z",
"dateUpdated": "2025-04-23T16:31:04.725Z"
},
"containers": {
"cna": {
"title": "ProtoNode may be modified such that common method calls may panic in ipfs/go-merkledag",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-755",
"lang": "en",
"description": "CWE-755: Improper Handling of Exceptional Conditions",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/ipfs/go-merkledag/security/advisories/GHSA-x39j-h85h-3f46",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/ipfs/go-merkledag/security/advisories/GHSA-x39j-h85h-3f46"
},
{
"name": "https://github.com/ipfs/go-merkledag/issues/90",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ipfs/go-merkledag/issues/90"
},
{
"name": "https://github.com/ipfs/kubo/issues/9297",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ipfs/kubo/issues/9297"
},
{
"name": "https://github.com/ipfs/go-merkledag/pull/91",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ipfs/go-merkledag/pull/91"
},
{
"name": "https://github.com/ipfs/go-merkledag/pull/92",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ipfs/go-merkledag/pull/92"
},
{
"name": "https://github.com/ipfs/go-merkledag/pull/93",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ipfs/go-merkledag/pull/93"
},
{
"name": "https://en.wikipedia.org/wiki/Directed_acyclic_graph",
"tags": [
"x_refsource_MISC"
],
"url": "https://en.wikipedia.org/wiki/Directed_acyclic_graph"
},
{
"name": "https://github.com/ipfs/go-merkledag/releases/tag/v0.8.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ipfs/go-merkledag/releases/tag/v0.8.0"
},
{
"name": "https://github.com/ipfs/go-merkledag/releases/tag/v0.8.1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ipfs/go-merkledag/releases/tag/v0.8.1"
}
],
"affected": [
{
"vendor": "ipfs",
"product": "go-merkledag",
"versions": [
{
"version": ">= 0.4.0, < 0.8.1",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2022-12-08T21:25:40.257Z"
},
"descriptions": [
{
"lang": "en",
"value": "go-merkledag implements the 'DAGService' interface and adds two ipld node types, Protobuf and Raw for the ipfs project. A `ProtoNode` may be modified in such a way as to cause various encode errors which will trigger a panic on common method calls that don't allow for error returns. A `ProtoNode` should only be able to encode to valid DAG-PB, attempting to encode invalid DAG-PB forms will result in an error from the codec. Manipulation of an existing (newly created or decoded) `ProtoNode` using the modifier methods did not account for certain states that would place the `ProtoNode` into an unencodeable form. Due to conformance with the [`github.com/ipfs/go-block-format#Block`](https://pkg.go.dev/github.com/ipfs/go-block-format#Block) and [`github.com/ipfs/go-ipld-format#Node`](https://pkg.go.dev/github.com/ipfs/go-ipld-format#Node) interfaces, certain methods, which internally require a re-encode if state has changed, will panic due to the inability to return an error. This issue has been addressed across a number of pull requests. Users are advised to upgrade to version 0.8.1 for a complete set of fixes. Users unable to upgrade may attempt to mitigate this issue by sanitising inputs when allowing user-input to set a new `CidBuilder` on a `ProtoNode` and by sanitising `Tsize` (`Link#Size`) values such that they are a reasonable byte-size for sub-DAGs where derived from user-input.\n"
}
],
"source": {
"advisory": "GHSA-x39j-h85h-3f46",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-03T03:43:46.142Z"
},
"title": "CVE Program Container",
"references": [
{
"name": "https://github.com/ipfs/go-merkledag/security/advisories/GHSA-x39j-h85h-3f46",
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://github.com/ipfs/go-merkledag/security/advisories/GHSA-x39j-h85h-3f46"
},
{
"name": "https://github.com/ipfs/go-merkledag/issues/90",
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/ipfs/go-merkledag/issues/90"
},
{
"name": "https://github.com/ipfs/kubo/issues/9297",
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/ipfs/kubo/issues/9297"
},
{
"name": "https://github.com/ipfs/go-merkledag/pull/91",
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/ipfs/go-merkledag/pull/91"
},
{
"name": "https://github.com/ipfs/go-merkledag/pull/92",
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/ipfs/go-merkledag/pull/92"
},
{
"name": "https://github.com/ipfs/go-merkledag/pull/93",
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/ipfs/go-merkledag/pull/93"
},
{
"name": "https://en.wikipedia.org/wiki/Directed_acyclic_graph",
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://en.wikipedia.org/wiki/Directed_acyclic_graph"
},
{
"name": "https://github.com/ipfs/go-merkledag/releases/tag/v0.8.0",
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/ipfs/go-merkledag/releases/tag/v0.8.0"
},
{
"name": "https://github.com/ipfs/go-merkledag/releases/tag/v0.8.1",
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/ipfs/go-merkledag/releases/tag/v0.8.1"
}
]
},
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-04-23T15:48:01.494241Z",
"id": "CVE-2022-23495",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-04-23T16:31:04.725Z"
}
}
]
}
}
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