CVE-2022-0194 (GCVE-0-2022-0194)

Vulnerability from cvelistv5 – Published: 2023-03-28 00:00 – Updated: 2025-11-04 19:12
VLAI?
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ad_addcomment function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15876.
Severity ?
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
zdi
References
Impacted products
Vendor Product Version
Netatalk Netatalk Affected: 3.1.12
Create a notification for this product.
Credits
Theori (@theori_io)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T19:12:50.718Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-530/"
          },
          {
            "name": "[debian-lts-announce] 20230516 [SECURITY] [DLA 3426-1] netatalk security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html"
          },
          {
            "name": "DSA-5503",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2023/dsa-5503"
          },
          {
            "name": "GLSA-202311-02",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202311-02"
          },
          {
            "url": "https://www.kb.cert.org/vuls/id/709991"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Netatalk",
          "vendor": "Netatalk",
          "versions": [
            {
              "status": "affected",
              "version": "3.1.12"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Theori (@theori_io)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ad_addcomment function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15876."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "CWE-121: Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-01T16:06:19.530Z",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
        "shortName": "zdi"
      },
      "references": [
        {
          "url": "https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html"
        },
        {
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-530/"
        },
        {
          "name": "[debian-lts-announce] 20230516 [SECURITY] [DLA 3426-1] netatalk security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html"
        },
        {
          "name": "DSA-5503",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2023/dsa-5503"
        },
        {
          "name": "GLSA-202311-02",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202311-02"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
    "cveId": "CVE-2022-0194",
    "datePublished": "2023-03-28T00:00:00.000Z",
    "dateReserved": "2022-01-11T00:00:00.000Z",
    "dateUpdated": "2025-11-04T19:12:50.718Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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