Vulnerability-Lookup

ubuntu-cve-2023-24539

Vulnerability from osv_ubuntu

Published

2023-05-11 16:15

Modified

2025-07-16 05:09

Summary

Details

Angle brackets (<>) are not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character can result in unexpectedly closing the CSS context and allowing for injection of unexpected HTML, if executed with untrusted input.

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-2023-24539	REPORT
	https://groups.google.com/g/golang-announce/c/MEb…	REPORT
	https://github.com/golang/go/issues/59720	REPORT
	https://github.com/golang/go/commit/e49282327b051…	REPORT
	https://github.com/golang/go/commit/090590fdccc84…	REPORT
	https://ubuntu.com/security/notices/USN-6140-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2023-24539	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": "Angle brackets (\u003c\u003e) are not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a \u0027/\u0027 character can result in unexpectedly closing the CSS context and allowing for injection of unexpected HTML, if executed with untrusted input.",
  "id": "UBUNTU-CVE-2023-24539",
  "modified": "2025-07-16T05:09:15Z",
  "published": "2023-05-11T16:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-24539"
    },
    {
      "type": "REPORT",
      "url": "https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/go/issues/59720"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/go/commit/e49282327b05192e46086bf25fd3ac691205fe80"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/go/commit/090590fdccc8442728aa31601927da1bf2ef1288"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6140-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-24539"
    }
  ],
  "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-2023-24539"
  ],
  "withdrawn": "2025-07-18T16:54:21Z"
}

CVE-2023-24539 (GCVE-0-2023-24539)

Vulnerability from cvelistv5 – Published: 2023-05-11 15:29 – Updated: 2025-01-24 16:41

Title

Improper sanitization of CSS values 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 16:39 UTC

CWE

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

Assigner

References

5 references

URL	Tags
https://go.dev/issue/59720
https://go.dev/cl/491615
https://groups.google.com/g/golang-announce/c/MEb…
https://pkg.go.dev/vuln/GO-2023-1751
https://security.netapp.com/advisory/ntap-2024112…

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

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-11-29T12:04:36.503Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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            "url": "https://go.dev/issue/59720"
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            "url": "https://go.dev/cl/491615"
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          {
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            "url": "https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://pkg.go.dev/vuln/GO-2023-1751"
          },
          {
            "url": "https://security.netapp.com/advisory/ntap-20241129-0005/"
          }
        ],
        "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-2023-24539",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
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                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-01-24T16:39:35.722970Z",
                "version": "2.0.3"
              },
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          }
        ],
        "problemTypes": [
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            "descriptions": [
              {
                "cweId": "CWE-94",
                "description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
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                "type": "CWE"
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        },
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    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "html/template",
          "product": "html/template",
          "programRoutines": [
            {
              "name": "cssValueFilter"
            },
            {
              "name": "escaper.commit"
            },
            {
              "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"
            }
          ]
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          "value": "Juho Nurminen of Mattermost"
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      ],
      "descriptions": [
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          "lang": "en",
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        }
      ],
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        {
          "descriptions": [
            {
              "description": "CWE-74: Improper input validation",
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        "dateUpdated": "2023-06-12T19:08:23.986Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://go.dev/issue/59720"
        },
        {
          "url": "https://go.dev/cl/491615"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2023-1751"
        }
      ],
      "title": "Improper sanitization of CSS values in html/template"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
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    "cveId": "CVE-2023-24539",
    "datePublished": "2023-05-11T15:29:38.143Z",
    "dateReserved": "2023-01-25T21:19:20.642Z",
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    "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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

ubuntu-cve-2023-24539

Vulnerability from osv_ubuntu

CVE-2023-24539 (GCVE-0-2023-24539)

Tags

Sightings

Nomenclature