CVE-2023-49559: Github.com/vektah/gqlparser/v2 Denial of Service Vulnerability

MODERATE
Advisory Identifier: GHSA-2hmf-46v7-v6fx
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CVSS 5.3
CWE-400 CWE-770
Published
Advisory Summary

CVE-2023-49559 is a MODERATE (CVSS 5.3) denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Github.com/vektah/gqlparser/v2 libraries in the Go ecosystem. The issue involves gqlparser denial of service vulnerability via the parserdirectives function. Remediation is available by upgrading affected packages to version 2.5.14.

CVE-2023-49559 at a Glance

CVE Identifier CVE-2023-49559
GHSA Identifier GHSA-2hmf-46v7-v6fx
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-400: Uncontrolled Resource Consumption
Affected Product Github.com/vektah/gqlparser/v2
Package Ecosystem Go
Published Date
Last Updated

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).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability Low (A:L)

How to Fix CVE-2023-49559

To remediate this vulnerability, upgrade all affected Github.com/vektah/gqlparser/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.

github.com/vektah/gqlparser/v2 fixed: 2.5.14 
Upgrade github.com/vektah/gqlparser/v2 to 2.5.14
github.com/vektah/gqlparser fixed: 2.5.14 
Upgrade github.com/vektah/gqlparser to 2.5.14
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/vektah/gqlparser/v2

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-49559, inspect your project dependencies for Github.com/vektah/gqlparser/v2:

inspect dependencies for github.com/vektah/gqlparser/v2

Analyze the terminal output to locate any version of Github.com/vektah/gqlparser/v2 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.5.14), 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/vektah/gqlparser/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

An issue in vektah gqlparser open-source-library v.2.5.10 allows a remote attacker to cause a denial of service via a crafted script to the parserDirectives function.

CVE-2023-49559 Affected Github.com/vektah/gqlparser/v2 Versions

2 component(s)
Fixed Versions:
2.5.14
Product / Package Ecosystem Affected Versions Fixed Version
github.com/vektah/gqlparser/v2
golang/github.com/vektah/gqlparser/v2
Go
< 2.5.14
2.5.14
github.com/vektah/gqlparser
golang/github.com/vektah/gqlparser
Go
< 2.5.14
2.5.14

References

NVD — CVE-2023-49559 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-49559
Github.com/vektah/gqlparser/v2 Source Repository REPOSITORY
https://github.com/99designs/gqlgen/issues/3118
Security Fix Commit FIX COMMIT
https://github.com/vektah/gqlparser/commit/36a3658873bf5a107f42488dfc392949cdd02977
Github.com/vektah/gqlparser/v2 Source Repository REPOSITORY
https://gist.github.com/uvzz/d3ed9d4532be16ec1040a2cf3dfec8d1
GitHub Advisory / Wiki ADVISORY
https://github.com/advisories/GHSA-2hmf-46v7-v6fx
Github.com/vektah/gqlparser/v2 Source Repository REPOSITORY
https://github.com/vektah/gqlparser
Github.com/vektah/gqlparser/v2 Source Repository REPOSITORY
https://github.com/vektah/gqlparser/blob/master/parser/query.go#L316

Frequently Asked Questions

What is CVE-2023-49559?
CVE-2023-49559 is a security vulnerability in Github.com/vektah/gqlparser/v2 involving gqlparser denial of service vulnerability via the parserDirectives function under CWE-400: Uncontrolled Resource Consumption.
Which Github.com/vektah/gqlparser/v2 versions are affected?
Affected versions include releases prior to 2.5.14 across affected packages: github.com/vektah/gqlparser/v2, github.com/vektah/gqlparser.
What version fixes CVE-2023-49559?
Upgrading to 2.5.14 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/vektah/gqlparser/v2 affected?
Yes, github.com/vektah/gqlparser/v2 is affected in releases prior to 2.5.14. Upgrade your dependency to 2.5.14 or later.
Is github.com/vektah/gqlparser affected?
Yes, github.com/vektah/gqlparser is affected in releases prior to 2.5.14. Upgrade your dependency to 2.5.14 or later.
What is the CVSS score of CVE-2023-49559?
CVE-2023-49559 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
What CWE is associated with CVE-2023-49559?
CVE-2023-49559 is classified under CWE-400: Uncontrolled Resource Consumption (The product does not properly control the allocation and maintenance of a limited resource.).
How can I check Go dependencies for CVE-2023-49559?
Run the dependency tree command: 'inspect dependencies for github.com/vektah/gqlparser/v2'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-2hmf-46v7-v6fx",
  "modified" : "2024-12-03T21:36:54Z",
  "published" : "2024-06-12T21:31:19Z",
  "aliases" : [ "CVE-2023-49559" ],
  "summary" : "gqlparser denial of service vulnerability via the parserDirectives function",
  "details" : "An issue in vektah gqlparser open-source-library v.2.5.10 allows a remote attacker to cause a denial of service via a crafted script to the parserDirectives function.",
  "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/vektah/gqlparser/v2"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.5.14"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/vektah/gqlparser"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.5.14"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-49559"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/99designs/gqlgen/issues/3118"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/vektah/gqlparser/commit/36a3658873bf5a107f42488dfc392949cdd02977"
  }, {
    "type" : "WEB",
    "url" : "https://gist.github.com/uvzz/d3ed9d4532be16ec1040a2cf3dfec8d1"
  }, {
    "type" : "ADVISORY",
    "url" : "https://github.com/advisories/GHSA-2hmf-46v7-v6fx"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/vektah/gqlparser"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/vektah/gqlparser/blob/master/parser/query.go#L316"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-400", "CWE-770" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-06-12T22:53:35Z",
    "nvd_published_at" : "2024-06-12T20:15:10Z"
  }
}