CVE-2023-46565: Github.com/osrg/gobgp/v3 Buffer Overflow Vulnerability Vulnerability

HIGH
Advisory Identifier: GHSA-6rqv-5cg7-m4x3
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CVSS 7.5
CWE-120
Published
Advisory Summary

CVE-2023-46565 is a HIGH (CVSS 7.5) buffer overflow vulnerability vulnerability (CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')) affecting Github.com/osrg/gobgp/v3 libraries in the Go ecosystem. The issue involves buffer overflow vulnerability in osrg gobgp. Remediation is available in the latest vendor maintenance releases.

CVE-2023-46565 at a Glance

CVE Identifier CVE-2023-46565
GHSA Identifier GHSA-6rqv-5cg7-m4x3
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected Product Github.com/osrg/gobgp/v3
Package Ecosystem Go
Published Date
Last Updated

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).

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 High (A:H)

How to Fix CVE-2023-46565

To remediate this vulnerability, upgrade all affected Github.com/osrg/gobgp/v3 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/osrg/gobgp/v3 fixed: Latest secure release 
Upgrade github.com/osrg/gobgp/v3 to Latest secure release
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/osrg/gobgp/v3

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-46565, inspect your project dependencies for Github.com/osrg/gobgp/v3:

inspect dependencies for github.com/osrg/gobgp/v3

Analyze the terminal output to locate any version of Github.com/osrg/gobgp/v3 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-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/osrg/gobgp/v3, 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

Buffer Overflow vulnerability in osrg gobgp commit 419c50dfac578daa4d11256904d0dc182f1a9b22 allows a remote attacker to cause a denial of service via the handlingError function in pkg/server/fsm.go.

CVE-2023-46565 Affected Github.com/osrg/gobgp/v3 Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
github.com/osrg/gobgp/v3
golang/github.com/osrg/gobgp/v3
Go
≤ 3.20.0

References

NVD — CVE-2023-46565 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-46565
Github.com/osrg/gobgp/v3 Source Repository REPOSITORY
https://github.com/osrg/gobgp/issues/2725
Security Fix Commit FIX COMMIT
https://github.com/osrg/gobgp/commit/419c50dfac578daa4d11256904d0dc182f1a9b22
Github.com/osrg/gobgp/v3 Source Repository REPOSITORY
https://github.com/osrg/gobgp

Frequently Asked Questions

What is CVE-2023-46565?
CVE-2023-46565 is a security vulnerability in Github.com/osrg/gobgp/v3 involving Buffer Overflow vulnerability in osrg gobgp under CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow').
Which Github.com/osrg/gobgp/v3 versions are affected?
Affected versions include releases prior to current release patches across affected packages: github.com/osrg/gobgp/v3.
What version fixes CVE-2023-46565?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/osrg/gobgp/v3 affected?
Yes, github.com/osrg/gobgp/v3 is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2023-46565?
CVE-2023-46565 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2023-46565?
CVE-2023-46565 is classified under CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (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.).
How can I check Go dependencies for CVE-2023-46565?
Run the dependency tree command: 'inspect dependencies for github.com/osrg/gobgp/v3'. 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-6rqv-5cg7-m4x3",
  "modified" : "2024-09-06T22:13:55Z",
  "published" : "2024-04-29T21:30:34Z",
  "aliases" : [ "CVE-2023-46565" ],
  "summary" : "Buffer Overflow vulnerability in osrg gobgp",
  "details" : "Buffer Overflow vulnerability in osrg gobgp commit 419c50dfac578daa4d11256904d0dc182f1a9b22 allows a remote attacker to cause a denial of service via the handlingError function in pkg/server/fsm.go.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/osrg/gobgp/v3"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "3.20.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-46565"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/osrg/gobgp/issues/2725"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/osrg/gobgp/commit/419c50dfac578daa4d11256904d0dc182f1a9b22"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/osrg/gobgp"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-120" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-09-06T22:13:55Z",
    "nvd_published_at" : "2024-04-29T20:15:08Z"
  }
}