CVE-2023-23631: Github.com/ipfs/go unixfsnode Denial of Service Vulnerability
HIGHCVE-2023-23631 is a HIGH (CVSS 7.5) denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Github.com/ipfs/go unixfsnode libraries in the Go ecosystem. The issue involves ipfs go-unixfsnode subject to dos via hamt decoding panics. Remediation is available by upgrading affected packages to version 1.5.2.
CVE-2023-23631 at a Glance
Security Impact
CVSS: 7.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
How to Fix CVE-2023-23631
To remediate this vulnerability, upgrade all affected Github.com/ipfs/go unixfsnode dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/ipfs/go-unixfsnode to 1.5.2Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/ipfs/go-unixfsnodeHow to Check if You Are Affected
To determine whether your application is affected by CVE-2023-23631, inspect your project dependencies for Github.com/ipfs/go unixfsnode:
inspect dependencies for github.com/ipfs/go-unixfsnodeAnalyze the terminal output to locate any version of Github.com/ipfs/go unixfsnode in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.5.2), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. In Github.com/ipfs/go unixfsnode, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2023-23631 Affected Github.com/ipfs/go unixfsnode Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/ipfs/go-unixfsnode
|
Go |
< 1.5.2
|
1.5.2
|
References
Frequently Asked Questions
What is CVE-2023-23631?
Which Github.com/ipfs/go unixfsnode versions are affected?
What version fixes CVE-2023-23631?
Is github.com/ipfs/go-unixfsnode affected?
What is the CVSS score of CVE-2023-23631?
What CWE is associated with CVE-2023-23631?
How can I check Go dependencies for CVE-2023-23631?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-4gj3-6r43-3wfc",
"modified" : "2023-02-17T20:32:08Z",
"published" : "2023-02-10T19:54:14Z",
"aliases" : [ "CVE-2023-23631" ],
"summary" : "IPFS go-unixfsnode subject to DOS via HAMT Decoding Panics",
"details" : "## Impact\n\nTrying to read malformed HAMT sharded directories can cause panics and virtual memory leaks.\nIf you are reading untrusted user input, an attacker can then trigger a panic.\n\nThis is caused by a bogus fanout parameter in the HAMT directory nodes.\nThis includes checks returned in [ipfs/go-bitfield GHSA-2h6c-j3gf-xp9r](https://github.com/ipfs/go-bitfield/security/advisories/GHSA-2h6c-j3gf-xp9r), as well as limiting the fanout to <= 1024 (to avoid attempts of arbitrary sized allocations).\n\n## Patches\n- https://github.com/ipfs/go-unixfsnode/commit/91b3d39d33ef0cd2aff2c95d50b2329350944b68\n- https://github.com/ipfs/go-unixfsnode/commit/a4ed723727e0bdc2277158337c2fc0d82802d122\n\n## References\n\n* https://github.com/ipfs/go-unixfs/security/advisories/GHSA-q264-w97q-q778\n* https://github.com/ipfs/go-bitfield/security/advisories/GHSA-2h6c-j3gf-xp9r\n",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/ipfs/go-unixfsnode"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "1.5.2"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/ipfs/go-unixfsnode/security/advisories/GHSA-4gj3-6r43-3wfc"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-23631"
}, {
"type" : "WEB",
"url" : "https://github.com/ipfs/go-unixfsnode/commit/59050ea8bc458ae55246ae09243e6e165923e076"
}, {
"type" : "WEB",
"url" : "https://github.com/ipfs/go-unixfsnode/commit/91b3d39d33ef0cd2aff2c95d50b2329350944b68"
}, {
"type" : "WEB",
"url" : "https://github.com/ipfs/go-unixfsnode/commit/a4ed723727e0bdc2277158337c2fc0d82802d122"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/ipfs/go-unixfsnode"
}, {
"type" : "WEB",
"url" : "https://pkg.go.dev/vuln/GO-2023-1559"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-400" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2023-02-10T19:54:14Z",
"nvd_published_at" : "2023-02-09T21:15:00Z"
}
}