Vulnerability-Lookup

UBUNTU-CVE-2023-29400 (CVE-2023-29400)

Vulnerability from osv_ubuntu – Published: 2023-05-11 16:15 – Updated: 2025-07-16 05:09 – Source website

Withdrawn 2025-07-18

Details

Templates containing actions in unquoted HTML attributes (e.g. "attr={{.}}") executed with empty input can result in output with unexpected results when parsed due to HTML normalization rules. This may allow injection of arbitrary attributes into tags.

Severity

7.3 (High)


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

7.3 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-29400	REPORT
	https://groups.google.com/g/golang-announce/c/MEb…	REPORT
	https://github.com/golang/go/issues/59722	REPORT
	https://github.com/golang/go/commit/9db0e74f606b8…	REPORT
	https://github.com/golang/go/commit/337dd75343145…	REPORT
	https://ubuntu.com/security/notices/USN-6140-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2023-29400	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-1.20",
            "binary_version": "1.20.3-1ubuntu0.1~20.04"
          },
          {
            "binary_name": "golang-1.20-doc",
            "binary_version": "1.20.3-1ubuntu0.1~20.04"
          },
          {
            "binary_name": "golang-1.20-go",
            "binary_version": "1.20.3-1ubuntu0.1~20.04"
          },
          {
            "binary_name": "golang-1.20-go-dbgsym",
            "binary_version": "1.20.3-1ubuntu0.1~20.04"
          },
          {
            "binary_name": "golang-1.20-src",
            "binary_version": "1.20.3-1ubuntu0.1~20.04"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "golang-1.20",
        "purl": "pkg:deb/ubuntu/golang-1.20@1.20.3-1ubuntu0.1~20.04?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.20.3-1ubuntu0.1~20.04"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": []
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-1.20",
            "binary_version": "1.20.3-1ubuntu0.1~22.04"
          },
          {
            "binary_name": "golang-1.20-doc",
            "binary_version": "1.20.3-1ubuntu0.1~22.04"
          },
          {
            "binary_name": "golang-1.20-go",
            "binary_version": "1.20.3-1ubuntu0.1~22.04"
          },
          {
            "binary_name": "golang-1.20-go-dbgsym",
            "binary_version": "1.20.3-1ubuntu0.1~22.04"
          },
          {
            "binary_name": "golang-1.20-src",
            "binary_version": "1.20.3-1ubuntu0.1~22.04"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "golang-1.20",
        "purl": "pkg:deb/ubuntu/golang-1.20@1.20.3-1ubuntu0.1~22.04?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.20.3-1ubuntu0.1~22.04"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "details": "Templates containing actions in unquoted HTML attributes (e.g. \"attr={{.}}\") executed with empty input can result in output with unexpected results when parsed due to HTML normalization rules. This may allow injection of arbitrary attributes into tags.",
  "id": "UBUNTU-CVE-2023-29400",
  "modified": "2025-07-16T05:09:20Z",
  "published": "2023-05-11T16:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-29400"
    },
    {
      "type": "REPORT",
      "url": "https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/go/issues/59722"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/go/commit/9db0e74f606b8afb28cc71d4b1c8b4ed24cabbf5"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/go/commit/337dd75343145b74ed2073d793322eb4103b56ad"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6140-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-29400"
    }
  ],
  "related": [
    "USN-6140-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-29400"
  ],
  "withdrawn": "2025-07-18T16:54:25Z"
}

CVE-2023-29400 (GCVE-0-2023-29400)

Vulnerability from cvelistv5 – Published: 2023-05-11 15:29 – Updated: 2025-01-24 16:47

Title

Improper handling of empty HTML attributes in html/template

Summary

Severity

7.3 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-24 16:46 UTC

CWE

CWE-74 - Improper input validation
CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

Go CNA under the Google root

CNA scorecard E 42/100 over 76 records in the last 180 days details

References

5 references

URL	Tags
https://go.dev/issue/59722
https://go.dev/cl/491617
https://groups.google.com/g/golang-announce/c/MEb…
https://pkg.go.dev/vuln/GO-2023-1753
https://security.netapp.com/advisory/ntap-2024121…

Impacted products

1 product

Vendor	Product	Version
Go standard library	html/template	Affected: 0 , < 1.19.9 (semver) Affected: 1.20.0-0 , < 1.20.4 (semver)

Credits

Juho Nurminen of Mattermost

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-12-13T13:09:23.252Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://go.dev/issue/59722"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://go.dev/cl/491617"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://pkg.go.dev/vuln/GO-2023-1753"
          },
          {
            "url": "https://security.netapp.com/advisory/ntap-20241213-0005/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 7.3,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-29400",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-01-24T16:46:30.315646Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-94",
                "description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-01-24T16:47:46.724Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "html/template",
          "product": "html/template",
          "programRoutines": [
            {
              "name": "appendCmd"
            },
            {
              "name": "htmlNospaceEscaper"
            },
            {
              "name": "Template.Execute"
            },
            {
              "name": "Template.ExecuteTemplate"
            }
          ],
          "vendor": "Go standard library",
          "versions": [
            {
              "lessThan": "1.19.9",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.20.4",
              "status": "affected",
              "version": "1.20.0-0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Juho Nurminen of Mattermost"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Templates containing actions in unquoted HTML attributes (e.g. \"attr={{.}}\") executed with empty input can result in output with unexpected results when parsed due to HTML normalization rules. This may allow injection of arbitrary attributes into tags."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-74: Improper input validation",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-06-12T19:08:27.799Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://go.dev/issue/59722"
        },
        {
          "url": "https://go.dev/cl/491617"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2023-1753"
        }
      ],
      "title": "Improper handling of empty HTML attributes in html/template"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2023-29400",
    "datePublished": "2023-05-11T15:29:24.874Z",
    "dateReserved": "2023-04-05T19:36:35.042Z",
    "dateUpdated": "2025-01-24T16:47:46.724Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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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.
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UBUNTU-CVE-2023-29400 (CVE-2023-29400)

CVE-2023-29400 (GCVE-0-2023-29400)

Tags

Sightings

Nomenclature

Vulnerability timeline

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