Vulnerability-Lookup

GHSA-M22M-H4RF-PWQ3

Vulnerability from github – Published: 2022-02-01 16:22 – Updated: 2022-02-08 19:45

Summary

Path Traversal in SharpZipLib

Details

SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry ../evil.txt may be extracted in the parent directory of destFolder. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.

Severity

7.3 (High)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "SharpZipLib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-32840"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-02-01T16:20:32Z",
    "nvd_published_at": "2022-01-26T21:15:00Z",
    "severity": "HIGH"
  },
  "details": "SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry `../evil.txt` may be extracted in the parent directory of `destFolder`. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.",
  "id": "GHSA-m22m-h4rf-pwq3",
  "modified": "2022-02-08T19:45:29Z",
  "published": "2022-02-01T16:22:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-32840"
    },
    {
      "type": "WEB",
      "url": "https://github.com/icsharpcode/SharpZipLib/commit/a0e96de70b5264f4c919b09253b1522bc7a221cc"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/icsharpcode/SharpZipLib"
    },
    {
      "type": "WEB",
      "url": "https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3"
    },
    {
      "type": "ADVISORY",
      "url": "https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Path Traversal in SharpZipLib"
}

CVE-2021-32840 (GCVE-0-2021-32840)

Vulnerability from cvelistv5 – Published: 2022-01-26 21:05 – Updated: 2025-04-22 18:32

Title

Path Traversal in SharpZipLib

Summary

SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry `../evil.txt` may be extracted in the parent directory of `destFolder`. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.

Severity

7.3 (High)


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

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

GitHub_M

References

3 references

URL	Tags
https://securitylab.github.com/advisories/GHSL-20…	x_refsource_CONFIRM
https://github.com/icsharpcode/SharpZipLib/releas…	x_refsource_MISC
https://github.com/icsharpcode/SharpZipLib/commit…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
icsharpcode	sharpziplib	Affected: 1.3.3 , < 1.3.3 (custom) Affected: 0.86.0 , < 0.86.0* (custom)

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JSON

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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-M22M-H4RF-PWQ3

CVE-2021-32840 (GCVE-0-2021-32840)

Tags

Sightings

Nomenclature