Trivy incorrectly reports vulnerability for non-affected version of logj4j-core CVE-2020-9488

[levinebw]

Discussed in #6061

^{Originally posted by levinebw February 2, 2024}

Description

[email protected] is not affected by CVE-2020-9488 however Trivy incorrectly reports a vulnerability finding.
The NVD states Fixed in Apache Log4j 2.12.3, however Trivy and Aquasec are reporing a vulnerability for Log4j 2.12.4

This was reported as fixed here (#3884), however it is not fixed. Evidence included shows there is still a bug.

Desired Behavior

There should be no finding reported for CVE-2020-9488 for [email protected]

Actual Behavior

Reproduction example

sh-3.2$ cat test2.cdx.json 
{
  "bomFormat": "CycloneDX",
  "specVersion": "1.4",
  "serialNumber": "urn:uuid:35f74310-e003-4841-93d8-6279d4425e49",
  "version": 1,
  "metadata": {
    "tools": [
      {
        "vendor": "aquasecurity",
        "name": "trivy",
        "version": "0.38.3"
      }
    ]
  },
  "components": [
    {
      "type": "library",
      "bom-ref": "pkg:maven/org.apache.logging.log4j/[email protected]?file_path=workspace%2FBOOT-INF%2Flib%2Ftest.jar",
      "name": "org.apache.logging.log4j:log4j-core",
      "version": "2.12.4",
      "purl": "pkg:maven/org.apache.logging.log4j/[email protected]"
    }
  ]
}
sh-3.2$ trivy sbom ./test2.cdx.json 
2024-02-02T17:35:43.326-0700	INFO	Vulnerability scanning is enabled
2024-02-02T17:35:43.326-0700	INFO	Detected SBOM format: cyclonedx-json
2024-02-02T17:35:43.327-0700	WARN	Ignore the OS package as no OS information is found.
2024-02-02T17:35:43.336-0700	INFO	Number of language-specific files: 1
2024-02-02T17:35:43.336-0700	INFO	Detecting jar vulnerabilities...

Java (jar)

Total: 1 (UNKNOWN: 0, LOW: 1, MEDIUM: 0, HIGH: 0, CRITICAL: 0)

┌─────────────────────────────────────┬───────────────┬──────────┬────────┬───────────────────┬───────────────┬──────────────────────────────────────────────────────────────┐
│               Library               │ Vulnerability │ Severity │ Status │ Installed Version │ Fixed Version │                            Title                             │
├─────────────────────────────────────┼───────────────┼──────────┼────────┼───────────────────┼───────────────┼──────────────────────────────────────────────────────────────┤
│ org.apache.logging.log4j:log4j-core │ CVE-2020-9488 │ LOW      │ fixed  │ 2.12.4            │ 2.13.2        │ log4j: improper validation of certificate with host mismatch │
│                                     │               │          │        │                   │               │ in SMTP appender                                             │
│                                     │               │          │        │                   │               │ https://avd.aquasec.com/nvd/cve-2020-9488                    │
└─────────────────────────────────────┴───────────────┴──────────┴────────┴───────────────────┴───────────────┴──────────────────────────────────────────────────────────────┘
sh-3.2$ trivy --version
Version: 0.49.0
Vulnerability DB:
  Version: 2
  UpdatedAt: 2024-02-03 00:16:51.194236762 +0000 UTC
  NextUpdate: 2024-02-03 06:16:51.194236371 +0000 UTC
  DownloadedAt: 2024-02-03 00:23:44.579622 +0000 UTC
Java DB:
  Version: 1
  UpdatedAt: 2024-01-09 00:47:12.747790854 +0000 UTC
  NextUpdate: 2024-01-12 00:47:12.747790693 +0000 UTC
  DownloadedAt: 2024-01-09 03:36:21.607911 +0000 UTC
sh-3.2$ 

Reproduction Steps

see above

Target

SBOM

Scanner

Vulnerability

Output Format

Table

Mode

Standalone

Debug Output

sh-3.2$ trivy sbom ./test2.cdx.json --debug
2024-02-02T17:38:16.841-0700	DEBUG	Severities: ["UNKNOWN" "LOW" "MEDIUM" "HIGH" "CRITICAL"]
2024-02-02T17:38:16.841-0700	DEBUG	Ignore statuses	{"statuses": null}
2024-02-02T17:38:16.853-0700	DEBUG	cache dir:  /Users/brianlevine/Library/Caches/trivy
2024-02-02T17:38:16.853-0700	DEBUG	DB update was skipped because the local DB is the latest
2024-02-02T17:38:16.853-0700	DEBUG	DB Schema: 2, UpdatedAt: 2024-02-03 00:16:51.194236762 +0000 UTC, NextUpdate: 2024-02-03 06:16:51.194236371 +0000 UTC, DownloadedAt: 2024-02-03 00:23:44.579622 +0000 UTC
2024-02-02T17:38:16.853-0700	INFO	Vulnerability scanning is enabled
2024-02-02T17:38:16.853-0700	DEBUG	Vulnerability type:  [os library]
2024-02-02T17:38:16.853-0700	DEBUG	Enabling misconfiguration scanners: []
2024-02-02T17:38:16.853-0700	INFO	Detected SBOM format: cyclonedx-json
2024-02-02T17:38:16.853-0700	DEBUG	Unmarshaling CycloneDX JSON...
2024-02-02T17:38:16.854-0700	WARN	Ignore the OS package as no OS information is found.
2024-02-02T17:38:16.864-0700	DEBUG	OS is not detected.
2024-02-02T17:38:16.864-0700	DEBUG	Detected OS: unknown
2024-02-02T17:38:16.864-0700	INFO	Number of language-specific files: 1
2024-02-02T17:38:16.864-0700	INFO	Detecting jar vulnerabilities...
2024-02-02T17:38:16.864-0700	DEBUG	Detecting library vulnerabilities, type: jar, path: 

Java (jar)

Total: 1 (UNKNOWN: 0, LOW: 1, MEDIUM: 0, HIGH: 0, CRITICAL: 0)

┌─────────────────────────────────────┬───────────────┬──────────┬────────┬───────────────────┬───────────────┬──────────────────────────────────────────────────────────────┐
│               Library               │ Vulnerability │ Severity │ Status │ Installed Version │ Fixed Version │                            Title                             │
├─────────────────────────────────────┼───────────────┼──────────┼────────┼───────────────────┼───────────────┼──────────────────────────────────────────────────────────────┤
│ org.apache.logging.log4j:log4j-core │ CVE-2020-9488 │ LOW      │ fixed  │ 2.12.4            │ 2.13.2        │ log4j: improper validation of certificate with host mismatch │
│                                     │               │          │        │                   │               │ in SMTP appender                                             │
│                                     │               │          │        │                   │               │ https://avd.aquasec.com/nvd/cve-2020-9488                    │
└─────────────────────────────────────┴───────────────┴──────────┴────────┴───────────────────┴───────────────┴──────────────────────────────────────────────────────────────┘
sh-3.2$ 

### Operating System

MacOS

### Version

```bash
sh-3.2$ trivy --version
Version: 0.49.0

Checklist

• Run trivy image --reset
• Read the troubleshooting

[github-actions]

Please see https://aquasecurity.github.io/trivy/latest/community/contribute/issue/