CVE-2022-29189: Github.com/pion/dtls Pion/DTLS Contains Buffer For Inbound Vulnerability
MODERATECVE-2022-29189 is a MODERATE (CVSS 5.3) pion/dtls contains buffer for inbound vulnerability (CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')) affecting Github.com/pion/dtls libraries in the Go ecosystem. The issue involves pion/dtls contains buffer for inbound dtls fragments with no limit. Remediation is available by upgrading affected packages to version 2.1.4.
CVE-2022-29189 at a Glance
Security Impact
CVSS: 5.3
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:L).
How to Fix CVE-2022-29189
To remediate this vulnerability, upgrade all affected Github.com/pion/dtls 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/pion/dtls to 2.1.4Upgrade github.com/pion/dtls/v2 to 2.1.4Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/pion/dtlsHow to Check if You Are Affected
To determine whether your application is affected by CVE-2022-29189, inspect your project dependencies for Github.com/pion/dtls:
inspect dependencies for github.com/pion/dtlsAnalyze the terminal output to locate any version of Github.com/pion/dtls in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.1.4), 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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), where the product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer. In Github.com/pion/dtls, 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-2022-29189 Affected Github.com/pion/dtls Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/pion/dtls
|
Go |
< 2.1.4
|
2.1.4
|
|
github.com/pion/dtls/v2
|
Go |
< 2.1.4
|
2.1.4
|
References
Frequently Asked Questions
What is CVE-2022-29189?
Which Github.com/pion/dtls versions are affected?
What version fixes CVE-2022-29189?
Is github.com/pion/dtls affected?
Is github.com/pion/dtls/v2 affected?
What is the CVSS score of CVE-2022-29189?
What CWE is associated with CVE-2022-29189?
How can I check Go dependencies for CVE-2022-29189?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-cx94-mrg9-rq4j",
"modified" : "2023-08-29T23:31:24Z",
"published" : "2022-05-24T22:04:38Z",
"aliases" : [ "CVE-2022-29189" ],
"summary" : "Pion/DTLS contains buffer for inbound DTLS fragments with no limit",
"details" : "### Impact\nA buffer that was used for inbound network traffic had no upper limit. Pion DTLS would buffer all network traffic from the remote user until the handshake completes or times out. An attacker could exploit this to cause excessive memory usage.\n\n### Patches\nUpgrade to Pion DTLS v2.1.4\n\n### Workarounds\nNo workarounds available, upgrade to Pion DTLS v2.1.4\n\n### References\nThank you to [Juho Nurminen](https://github.com/jupenur) and the Mattermost team for discovering and reporting this. \n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [Pion DTLS](http://github.com/pion/dtls)\n* Email us at [team@pion.ly](mailto:team@pion.ly)\n",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/pion/dtls"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.1.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/pion/dtls/v2"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.1.4"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/pion/dtls/security/advisories/GHSA-cx94-mrg9-rq4j"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-29189"
}, {
"type" : "WEB",
"url" : "https://github.com/pion/dtls/commit/a6397ff7282bc56dc37a68ea9211702edb4de1de"
}, {
"type" : "WEB",
"url" : "https://github.com/pion/dtls/releases/tag/v2.1.4"
}, {
"type" : "WEB",
"url" : "https://pkg.go.dev/vuln/GO-2022-0461"
}, {
"type" : "PACKAGE",
"url" : "github.com/pion/dtls"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-120" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2022-05-24T22:04:38Z",
"nvd_published_at" : "2022-05-21T00:15:00Z"
}
}