CVE-2018-19295: Github.com/sylabs/singularity Sylabs Singularity Improper Input Validation Vulnerability

HIGH
Advisory Identifier: GHSA-p83v-8vmr-qfv9
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CVSS 7.8
CWE-20
Published
Advisory Summary

CVE-2018-19295 is a HIGH (CVSS 7.8) sylabs singularity improper input validation vulnerability (CWE-20: Improper Input Validation) affecting Github.com/sylabs/singularity libraries in the Go ecosystem. The issue involves sylabs singularity improper input validation. Remediation is available by upgrading affected packages to version 2.6.1.

CVE-2018-19295 at a Glance

CVE Identifier CVE-2018-19295
GHSA Identifier GHSA-p83v-8vmr-qfv9
Severity HIGH
CVSS v3.1 Base Score 7.8
CWE Classification CWE-20: Improper Input Validation
Affected Product Github.com/sylabs/singularity
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 7.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

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

How to Fix CVE-2018-19295

To remediate this vulnerability, upgrade all affected Github.com/sylabs/singularity 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/sylabs/singularity fixed: 2.6.1 
Upgrade github.com/sylabs/singularity to 2.6.1
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/sylabs/singularity

How to Check if You Are Affected

To determine whether your application is affected by CVE-2018-19295, inspect your project dependencies for Github.com/sylabs/singularity:

inspect dependencies for github.com/sylabs/singularity

Analyze the terminal output to locate any version of Github.com/sylabs/singularity in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.6.1), 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-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. In Github.com/sylabs/singularity, 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

Sylabs Singularity 2.4 to 2.6 allows local users to conduct Improper Input Validation attacks.

CVE-2018-19295 Affected Github.com/sylabs/singularity Versions

1 component(s)
Fixed Versions:
2.6.1
Product / Package Ecosystem Affected Versions Fixed Version
github.com/sylabs/singularity
golang/github.com/sylabs/singularity
Go
≥ 2.4.0
< 2.6.1
2.6.1

References

NVD — CVE-2018-19295 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-19295
Security Fix Commit FIX COMMIT
https://github.com/sylabs/singularity/commit/9103f0155259fdf1159277bca3c2d347571cba0d
Github.com/sylabs/singularity Source Repository REPOSITORY
https://github.com/sylabs/singularity
Github.com/sylabs/singularity Release RELEASE
https://github.com/sylabs/singularity/releases/tag/2.6.1

Frequently Asked Questions

What is CVE-2018-19295?
CVE-2018-19295 is a security vulnerability in Github.com/sylabs/singularity involving Sylabs Singularity Improper Input Validation under CWE-20: Improper Input Validation.
Which Github.com/sylabs/singularity versions are affected?
Affected versions include releases prior to 2.6.1 across affected packages: github.com/sylabs/singularity.
What version fixes CVE-2018-19295?
Upgrading to 2.6.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/sylabs/singularity affected?
Yes, github.com/sylabs/singularity is affected in releases prior to 2.6.1. Upgrade your dependency to 2.6.1 or later.
What is the CVSS score of CVE-2018-19295?
CVE-2018-19295 has a CVSS v3.1 base score of 7.8 (HIGH) with vector string CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2018-19295?
CVE-2018-19295 is classified under CWE-20: Improper Input Validation (The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.).
How can I check Go dependencies for CVE-2018-19295?
Run the dependency tree command: 'inspect dependencies for github.com/sylabs/singularity'. 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-p83v-8vmr-qfv9",
  "modified" : "2023-10-06T15:48:41Z",
  "published" : "2022-05-14T01:39:14Z",
  "aliases" : [ "CVE-2018-19295" ],
  "summary" : "Sylabs Singularity Improper Input Validation",
  "details" : "Sylabs Singularity 2.4 to 2.6 allows local users to conduct Improper Input Validation attacks.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/sylabs/singularity"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.4.0"
      }, {
        "fixed" : "2.6.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-19295"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/sylabs/singularity/commit/9103f0155259fdf1159277bca3c2d347571cba0d"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/sylabs/singularity"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/sylabs/singularity/releases/tag/2.6.1"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-20" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-25T00:30:32Z",
    "nvd_published_at" : "2018-12-17T15:29:00Z"
  }
}