Vulnerability-Lookup

CVE-2023-1521 (GCVE-0-2023-1521)

Vulnerability from cvelistv5 – Published: 2024-11-26 11:15 – Updated: 2024-11-26 20:45

Title

Local Privilege Escalation in sccache

Summary

On Linux the sccache client can execute arbitrary code with the privileges of a local sccache server, by preloading the code in a shared library passed to LD_PRELOAD. If the server is run as root (which is the default when installing the snap package https://snapcraft.io/sccache ), this means a user running the sccache client can get root privileges.

Severity

7.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-26 20:35 UTC

CWE

CWE-426 - Untrusted Search Path

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 679 records in the last 180 days details

References

2 references

URL	Tags
https://securitylab.github.com/advisories/GHSL-20…	third-party-advisory
https://github.com/advisories/GHSA-x7fr-pg8f-93f5	vendor-advisory

Impacted products

2 products

Vendor	Product	Version	CPE status
Mozilla	sccache	Affected: 0 , < 0.4.0 (semver)	guessed
mozilla	sccache	Affected: 0 , < 0.4.0 (semver) cpe:2.3:a:mozilla:sccache::::::::

Credits

Paolo Tranquilli (@redsun82)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2023-1521

Vulnerability from fkie_nvd - Published: 2024-11-26 12:15 - Updated: 2026-06-17 05:28

Severity

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

Summary

References

	URL	Tags
	security@mozilla.org	https://github.com/advisories/GHSA-x7fr-pg8f-93f5	Third Party Advisory
	security@mozilla.org	https://securitylab.github.com/advisories/GHSL-2023-046_ScCache	Exploit

Impacted products

	Vendor	Product	Version
	mozilla	sccache	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "sccache",
          "vendor": "Mozilla",
          "versions": [
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    },
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      "lang": "es",
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  ],
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GHSA-X7FR-PG8F-93F5

Vulnerability from github – Published: 2023-05-30 20:06 – Updated: 2024-11-26 18:57

Summary

sccache vulnerable to privilege escalation if server is run as root

Details

Impact

On Linux the sccache client can execute arbitrary code with the privileges of a local sccache server, by preloading the code in a shared library passed to LD_PRELOAD.

If the server is run as root (which is the default when installing the snap package), this means a user running the sccache client can get root privileges.

Patches

Upgrade to 0.4.0

Workarounds

Don't run sccache server as root.

GitHub Security Lab number

GHSL-2023-046

Severity

8.4 (High)


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

7.3 (High)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "sccache"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.4.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-1521"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-426"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-05-30T20:06:02Z",
    "nvd_published_at": "2024-11-26T12:15:18Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nOn Linux the `sccache` client can execute arbitrary code with the privileges of a local `sccache` server, by preloading the code in a shared library passed to `LD_PRELOAD`.\n\nIf the server is run as root (which is the default when installing the [snap package](https://snapcraft.io/sccache)), this means a user running the `sccache` client can get root privileges.\n\n\n### Patches\nUpgrade to 0.4.0\n\n### Workarounds\nDon\u0027t run sccache server as root. \n\n###  GitHub Security Lab number\n\nGHSL-2023-046",
  "id": "GHSA-x7fr-pg8f-93f5",
  "modified": "2024-11-26T18:57:08Z",
  "published": "2023-05-30T20:06:02Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/mozilla/sccache/security/advisories/GHSA-x7fr-pg8f-93f5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1521"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mozilla/sccache"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mozilla/sccache/releases/tag/v0.4.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://securitylab.github.com/advisories/GHSL-2023-046_ScCache"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "sccache vulnerable to privilege escalation if server is run as root"
}

GSD-2023-1521

Vulnerability from gsd - Updated: 2023-12-13 01:20

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-2023-1521

Aliases

CVE-2023-1521

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-1521",
    "id": "GSD-2023-1521"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-1521"
      ],
      "id": "GSD-2023-1521",
      "modified": "2023-12-13T01:20:41.992344Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2023-1521",
        "STATE": "RESERVED"
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "** 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."
          }
        ]
      }
    }
  }
}

SUSE-SU-2023:2637-1

Vulnerability from csaf_suse - Published: 2023-06-26 13:06 - Updated: 2026-09-20 15:09

Summary

Security update for sccache

Severity

Important

Scope

2 vulnerabilities in this advisory, including CVE-2023-1521.

CVE-2023-1521

7.8 (High)


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

Recommended: 25 products

Open the full advisory

SUSE-SU-2023:3526-1

Vulnerability from csaf_suse - Published: 2023-09-05 07:56 - Updated: 2023-09-05 07:56

Summary

Security update for sccache

Severity

Important

Scope

4 vulnerabilities in this advisory, including CVE-2023-1521.

CVE-2023-1521

7.8 (High)


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

Recommended: 8 products

Open the full advisory

UBUNTU-CVE-2023-1521 (CVE-2023-1521)

Vulnerability from osv_ubuntu – Published: 2024-11-26 12:15 – Updated: 2026-10-17 09:17 – Source website

Details

Severity

7.8 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-1521	REPORT
	https://www.cve.org/CVERecord?id=CVE-2023-1521	REPORT
	https://github.com/advisories/GHSA-x7fr-pg8f-93f5	REPORT
	https://securitylab.github.com/advisories/GHSL-20…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "sccache",
            "binary_version": "0.7.7-2ubuntu0.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "sccache",
        "purl": "pkg:deb/ubuntu/sccache@0.7.7-2ubuntu0.1+esm1?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.5.4-2",
        "0.7.4-3",
        "0.7.5-1",
        "0.7.5-2",
        "0.7.6-1",
        "0.7.7-1",
        "0.7.7-2",
        "0.7.7-2build1",
        "0.7.7-2ubuntu0.1~esm1",
        "0.7.7-2ubuntu0.1",
        "0.7.7-2ubuntu0.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "sccache",
            "binary_version": "0.10.0-7ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "sccache",
        "purl": "pkg:deb/ubuntu/sccache@0.10.0-7ubuntu0.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.1-3",
        "0.10.0-4",
        "0.10.0-7",
        "0.10.0-7ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "sccache",
            "binary_version": "0.17.0+ds-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.10",
        "name": "sccache",
        "purl": "pkg:deb/ubuntu/sccache@0.17.0+ds-3?arch=source\u0026distro=stonking"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.13.0+ds-3",
        "0.17.0+ds-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "sccache",
            "binary_version": "0.13.0+ds-3build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "sccache",
        "purl": "pkg:deb/ubuntu/sccache@0.13.0+ds-3build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.10.0-7",
        "0.11.0-1",
        "0.12.0-2",
        "0.12.0-3",
        "0.13.0+ds-1",
        "0.13.0+ds-3",
        "0.13.0+ds-3build1"
      ]
    }
  ],
  "aliases": [],
  "details": "On Linux the sccache client can execute arbitrary code with the privileges of a local sccache server, by preloading the code in a shared library passed to LD_PRELOAD. If the server is run as root (which is the default when installing the snap package https://snapcraft.io/sccache ), this means a user running the sccache client can get root privileges.",
  "id": "UBUNTU-CVE-2023-1521",
  "modified": "2026-10-17T09:17:19Z",
  "published": "2024-11-26T12:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-1521"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-1521"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/advisories/GHSA-x7fr-pg8f-93f5"
    },
    {
      "type": "REPORT",
      "url": "https://securitylab.github.com/advisories/GHSL-2023-046_ScCache"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-1521"
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2023-1521 (GCVE-0-2023-1521)

FKIE_CVE-2023-1521

GHSA-X7FR-PG8F-93F5

Impact

Patches

Workarounds

GitHub Security Lab number

GSD-2023-1521

SUSE-SU-2023:2637-1

SUSE-SU-2023:3526-1

UBUNTU-CVE-2023-1521 (CVE-2023-1521)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour