CVE-2020-36562: Github.com/shiyanhui/dht Remote Code Execution Vulnerability
HIGHCVE-2020-36562 is a HIGH (CVSS 7.5) remote code execution vulnerability (CWE-617: Reachable Assertion) affecting Github.com/shiyanhui/dht libraries in the Go ecosystem. The issue involves shiyanhui/dht vulnerable to uncontrolled resource consumption. Remediation is available in the latest vendor maintenance releases.
CVE-2020-36562 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-2020-36562
To remediate this vulnerability, upgrade all affected Github.com/shiyanhui/dht 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/shiyanhui/dht to Latest secure releaseRun the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/shiyanhui/dhtHow to Check if You Are Affected
To determine whether your application is affected by CVE-2020-36562, inspect your project dependencies for Github.com/shiyanhui/dht:
inspect dependencies for github.com/shiyanhui/dhtAnalyze the terminal output to locate any version of Github.com/shiyanhui/dht in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), 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-617: Reachable Assertion, where the product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. In Github.com/shiyanhui/dht, 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-2020-36562 Affected Github.com/shiyanhui/dht Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/shiyanhui/dht
|
Go |
≤ 0.0.0-20201219151056-5a20f3199263
|
|
References
Frequently Asked Questions
What is CVE-2020-36562?
Which Github.com/shiyanhui/dht versions are affected?
What version fixes CVE-2020-36562?
Is github.com/shiyanhui/dht affected?
What is the CVSS score of CVE-2020-36562?
What CWE is associated with CVE-2020-36562?
How can I check Go dependencies for CVE-2020-36562?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-p6fg-723f-hgpw",
"modified" : "2023-01-10T15:58:24Z",
"published" : "2022-12-28T03:30:28Z",
"aliases" : [ "CVE-2020-36562" ],
"summary" : "shiyanhui/dht vulnerable to Uncontrolled Resource Consumption",
"details" : "Due to unchecked type assertions, maliciously crafted messages can cause panics, which may be used as a denial of service vector.",
"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/shiyanhui/dht"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"last_affected" : "0.0.0-20201219151056-5a20f3199263"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-36562"
}, {
"type" : "WEB",
"url" : "https://github.com/shiyanhui/dht/issues/57"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/shiyanhui/dht"
}, {
"type" : "WEB",
"url" : "https://pkg.go.dev/vuln/GO-2020-0040"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-400", "CWE-617" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2022-12-30T19:48:43Z",
"nvd_published_at" : "2022-12-28T03:15:00Z"
}
}