cvelistv5 - cve-2021-3978

CVE-2021-3978 (GCVE-0-2021-3978)

Vulnerability from cvelistv5 – Published: 2025-01-29 10:00 – Updated: 2025-02-12 16:03

Summary

When copying files with rsync, octorpki uses the "-a" flag 0, which forces rsync to copy binaries with the suid bit set as root. Since the provided service definition defaults to root ( https://github.com/cloudflare/cfrpki/blob/master/package/octorpki.service ) this could allow for a vector, when combined with another vulnerability that causes octorpki to process a malicious TAL file, for a local privilege escalation.

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

CWE

CWE-269 - Improper Privilege Management

Assigner

cloudflare

References

URL

Tags

https://github.com/cloudflare/cfrpki/security/adv…

Impacted products

	Vendor	Product	Version
	Cloudflare	octorpki	Affected: 0 , < v1.4.2 (semver)

Credits

Ties de Kock

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2021-3978

Vulnerability from fkie_nvd - Published: 2025-01-29 10:15 - Updated: 2025-07-29 23:40

Severity ?

7.5 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Summary

References

	URL	Tags
	cna@cloudflare.com	https://github.com/cloudflare/cfrpki/security/advisories/GHSA-3pqh-p72c-fj85	Vendor Advisory

Impacted products

	Vendor	Product	Version
	cloudflare	octorpki	*

JSON

To clipboard

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              "criteria": "cpe:2.3:a:cloudflare:octorpki:*:*:*:*:*:*:*:*",
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    }
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  "id": "CVE-2021-3978",
  "lastModified": "2025-07-29T23:40:21.880",
  "metrics": {
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GSD-2021-3978

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

Aliases

CVE-2021-3978

Aliases

CVE-2021-3978

JSON

To clipboard

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          "affected_versions": "All versions before 1.4.2",
          "cwe_ids": [
            "CWE-1035",
            "CWE-937"
          ],
          "date": "2021-11-19",
          "description": "### Impact\n\nWhen copying files with rsync, octorpki uses the \"-a\" flag 0, which forces rsync to copy binaries with the suid bit set as root. Since the provided service definition defaults to root (https://github.com/cloudflare/cfrpki/blob/master/package/octorpki.service) this could allow for a vector, when combined with another vulnerability that causes octorpki to process a malicious TAL file, for a local privilege escalation.  \n\n## For more information\n\nIf you have any questions or comments about this advisory email us at security@cloudflare.com",
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          ],
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          "package_slug": "go/github.com/cloudflare/cfrpki/cmd/octorpki",
          "pubdate": "2021-11-19",
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}

GHSA-3PQH-P72C-FJ85

Vulnerability from github – Published: 2021-11-19 19:34 – Updated: 2025-01-29 16:56

Summary

Improper Preservation of Permissions in github.com/cloudflare/cfrpki/cmd/octorpki

Details

Impact

When copying files with rsync, octorpki uses the "-a" flag 0, which forces rsync to copy binaries with the suid bit set as root. Since the provided service definition defaults to root (https://github.com/cloudflare/cfrpki/blob/master/package/octorpki.service) this could allow for a vector, when combined with another vulnerability that causes octorpki to process a malicious TAL file, for a local privilege escalation.

For more information

If you have any questions or comments about this advisory email us at security@cloudflare.com

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

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  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/cloudflare/cfrpki"
      },
      "ranges": [
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          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.2"
            }
          ],
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        }
      ]
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  ],
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  "database_specific": {
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      "CWE-281"
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    "github_reviewed": true,
    "github_reviewed_at": "2021-11-19T13:10:27Z",
    "nvd_published_at": "2025-01-29T10:15:07Z",
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  "modified": "2025-01-29T16:56:35Z",
  "published": "2021-11-19T19:34:26Z",
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    {
      "type": "WEB",
      "url": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-3pqh-p72c-fj85"
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    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3978"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/cloudflare/cfrpki"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Improper Preservation of Permissions in github.com/cloudflare/cfrpki/cmd/octorpki"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2021-3978 (GCVE-0-2021-3978)

FKIE_CVE-2021-3978

GSD-2021-3978

GHSA-3PQH-P72C-FJ85

Impact

For more information

Tags

Sightings

Nomenclature