CVE-2023-29013: Github.com/traefik/traefik/v2 Denial of Service Vulnerability
HIGHCVE-2023-29013 is a HIGH (CVSS 7.5) denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Github.com/traefik/traefik/v2 libraries in the Go ecosystem. The issue involves traefik http header parsing could cause a denial of service. Remediation is available by upgrading affected packages to version 2.9.10, 2.10.0-rc2.
CVE-2023-29013 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-2023-29013
To remediate this vulnerability, upgrade all affected Github.com/traefik/traefik/v2 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/traefik/traefik/v2 to 2.9.10
Upgrade github.com/traefik/traefik/v2 to 2.10.0-rc2
Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/traefik/traefik/v2
How to Check if You Are Affected
To determine whether your application is affected by CVE-2023-29013, inspect your project dependencies for Github.com/traefik/traefik/v2:
inspect dependencies for github.com/traefik/traefik/v2
Analyze the terminal output to locate any version of Github.com/traefik/traefik/v2 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.9.10), 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/traefik/traefik/v2, 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-2023-29013 Affected Github.com/traefik/traefik/v2 Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/traefik/traefik/v2
|
Go |
< 2.9.10
|
2.9.10
|
|
github.com/traefik/traefik/v2
|
Go |
≥ 2.10.0-rc1
< 2.10.0-rc2
All 1 versions
2.10.0-rc1
|
2.10.0-rc2
|
References
Frequently Asked Questions
What is CVE-2023-29013?
Which Github.com/traefik/traefik/v2 versions are affected?
What version fixes CVE-2023-29013?
Is github.com/traefik/traefik/v2 affected?
What is the CVSS score of CVE-2023-29013?
What CWE is associated with CVE-2023-29013?
How can I check Go dependencies for CVE-2023-29013?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-7hj9-rv74-5g92",
"modified" : "2025-02-13T18:53:59Z",
"published" : "2023-04-11T20:59:22Z",
"aliases" : [ "CVE-2023-29013" ],
"summary" : "Traefik HTTP header parsing could cause a denial of service ",
"details" : "### Impact\n\nThere is a vulnerability in [Go when parsing the HTTP headers](https://groups.google.com/g/golang-announce/c/Xdv6JL9ENs8/m/OV40vnafAwAJ), which impacts Traefik.\nHTTP header parsing could allocate substantially more memory than required to hold the parsed headers. This behavior could be exploited to cause a denial of service.\n\n### References\n\n- [CVE-2023-24534](https://www.cve.org/CVERecord?id=CVE-2023-24534)\n\n### Patches\n- https://github.com/traefik/traefik/releases/tag/v2.9.10\n- https://github.com/traefik/traefik/releases/tag/v2.10.0-rc2\n\n### Workarounds\n\nNo workaround.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues).",
"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/traefik/traefik/v2"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.9.10"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/traefik/traefik/v2"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.10.0-rc1"
}, {
"fixed" : "2.10.0-rc2"
} ]
} ],
"versions" : [ "2.10.0-rc1" ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/traefik/traefik/security/advisories/GHSA-7hj9-rv74-5g92"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-29013"
}, {
"type" : "WEB",
"url" : "https://github.com/traefik/traefik/commit/4ed3964b3586565519249bbdc55eb1b961c08c49"
}, {
"type" : "ADVISORY",
"url" : "https://github.com/advisories/GHSA-8v5j-pwr7-w5f8"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/traefik/traefik"
}, {
"type" : "WEB",
"url" : "https://github.com/traefik/traefik/releases/tag/v2.10.0-rc2"
}, {
"type" : "WEB",
"url" : "https://github.com/traefik/traefik/releases/tag/v2.9.10"
}, {
"type" : "WEB",
"url" : "https://groups.google.com/g/golang-announce/c/Xdv6JL9ENs8/m/OV40vnafAwAJ"
}, {
"type" : "WEB",
"url" : "https://security.netapp.com/advisory/ntap-20230517-0008"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-400" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2023-04-11T20:59:22Z",
"nvd_published_at" : "2023-04-14T19:15:00Z"
}
}