CVE-2023-5512 (GCVE-0-2023-5512)

Vulnerability from cvelistv5 – Published: 2023-12-15 16:03 – Updated: 2025-11-20 04:10
VLAI?
Summary
An issue has been discovered in GitLab CE/EE affecting all versions from 16.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. File integrity may be compromised when specific HTML encoding is used for file names leading for incorrect representation in the UI.
Severity ?
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
https://gitlab.com/gitlab-org/gitlab/-/issues/427827 issue-tracking
https://hackerone.com/reports/2194607 technical-descriptionexploitpermissions-required
Impacted products
Vendor Product Version
GitLab GitLab Affected: 16.3 , < 16.4.4 (semver)
Affected: 16.5 , < 16.5.4 (semver)
Affected: 16.6 , < 16.6.2 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Thanks [st4nly0n](https://hackerone.com/st4nly0n) for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:59:44.782Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "GitLab Issue #427827",
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/427827"
          },
          {
            "name": "HackerOne Bug Bounty Report #2194607",
            "tags": [
              "technical-description",
              "exploit",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/2194607"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "GitLab",
          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
          "vendor": "GitLab",
          "versions": [
            {
              "lessThan": "16.4.4",
              "status": "affected",
              "version": "16.3",
              "versionType": "semver"
            },
            {
              "lessThan": "16.5.4",
              "status": "affected",
              "version": "16.5",
              "versionType": "semver"
            },
            {
              "lessThan": "16.6.2",
              "status": "affected",
              "version": "16.6",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [st4nly0n](https://hackerone.com/st4nly0n) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue has been discovered in GitLab CE/EE affecting all versions from 16.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. File integrity may be compromised when specific HTML encoding is used for file names leading for incorrect representation in the UI."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-20T04:10:43.439Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "name": "GitLab Issue #427827",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/427827"
        },
        {
          "name": "HackerOne Bug Bounty Report #2194607",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/2194607"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 16.6.2, 16.5.4, 16.4.4 or above."
        }
      ],
      "title": "Improper Control of Generation of Code (\u0027Code Injection\u0027) in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2023-5512",
    "datePublished": "2023-12-15T16:03:00.260Z",
    "dateReserved": "2023-10-11T00:30:29.337Z",
    "dateUpdated": "2025-11-20T04:10:43.439Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\", \"versionStartIncluding\": \"16.3.0\", \"versionEndExcluding\": \"16.4.4\", \"matchCriteriaId\": \"FC12E182-B115-419E-B2DF-AC30E3EF5F10\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\", \"versionStartIncluding\": \"16.3.0\", \"versionEndExcluding\": \"16.4.4\", \"matchCriteriaId\": \"E4A325F9-7186-4061-B299-106849B7A5DA\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\", \"versionStartIncluding\": \"16.5.0\", \"versionEndExcluding\": \"16.5.4\", \"matchCriteriaId\": \"3C213E8A-B47E-4D1F-8253-90CB866744F0\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\", \"versionStartIncluding\": \"16.5.0\", \"versionEndExcluding\": \"16.5.4\", \"matchCriteriaId\": \"E6EBFF85-99EE-48D7-8991-02AA59E78374\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\", \"versionStartIncluding\": \"16.6.0\", \"versionEndExcluding\": \"16.6.2\", \"matchCriteriaId\": \"17596227-79F6-439A-89EC-B87F03EF73AC\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\", \"versionStartIncluding\": \"16.6.0\", \"versionEndExcluding\": \"16.6.2\", \"matchCriteriaId\": \"53E94AC5-C346-4511-B68C-DC0D86E575FC\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An issue has been discovered in GitLab CE/EE affecting all versions from 16.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. File integrity may be compromised when specific HTML encoding is used for file names leading for incorrect representation in the UI.\"}, {\"lang\": \"es\", \"value\": \"Se descubri\\u00f3 un problema en GitLab CE/EE que afecta a todas las versiones desde 16.3 anteriores a 16.4.4, todas las versiones desde 16.5 anteriores a 16.5.4, todas las versiones desde 16.6 anteriores a 16.6.2. La integridad del archivo puede verse comprometida cuando se utiliza una codificaci\\u00f3n HTML espec\\u00edfica para nombres de archivos que provocan una representaci\\u00f3n incorrecta en la interfaz de usuario.\"}]",
      "id": "CVE-2023-5512",
      "lastModified": "2024-11-21T08:41:54.987",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"cve@gitlab.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N\", \"baseScore\": 4.8, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 1.2, \"impactScore\": 3.6}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N\", \"baseScore\": 5.7, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.1, \"impactScore\": 3.6}]}",
      "published": "2023-12-15T16:15:46.300",
      "references": "[{\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/427827\", \"source\": \"cve@gitlab.com\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://hackerone.com/reports/2194607\", \"source\": \"cve@gitlab.com\", \"tags\": [\"Permissions Required\"]}, {\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/427827\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://hackerone.com/reports/2194607\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Permissions Required\"]}]",
      "sourceIdentifier": "cve@gitlab.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"cve@gitlab.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-94\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-94\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-5512\",\"sourceIdentifier\":\"cve@gitlab.com\",\"published\":\"2023-12-15T16:15:46.300\",\"lastModified\":\"2024-11-21T08:41:54.987\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue has been discovered in GitLab CE/EE affecting all versions from 16.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. File integrity may be compromised when specific HTML encoding is used for file names leading for incorrect representation in the UI.\"},{\"lang\":\"es\",\"value\":\"Se descubri\u00f3 un problema en GitLab CE/EE que afecta a todas las versiones desde 16.3 anteriores a 16.4.4, todas las versiones desde 16.5 anteriores a 16.5.4, todas las versiones desde 16.6 anteriores a 16.6.2. La integridad del archivo puede verse comprometida cuando se utiliza una codificaci\u00f3n HTML espec\u00edfica para nombres de archivos que provocan una representaci\u00f3n incorrecta en la interfaz de usuario.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":4.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.2,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":5.7,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.1,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-94\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-94\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"16.3.0\",\"versionEndExcluding\":\"16.4.4\",\"matchCriteriaId\":\"FC12E182-B115-419E-B2DF-AC30E3EF5F10\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"16.3.0\",\"versionEndExcluding\":\"16.4.4\",\"matchCriteriaId\":\"E4A325F9-7186-4061-B299-106849B7A5DA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"16.5.0\",\"versionEndExcluding\":\"16.5.4\",\"matchCriteriaId\":\"3C213E8A-B47E-4D1F-8253-90CB866744F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"16.5.0\",\"versionEndExcluding\":\"16.5.4\",\"matchCriteriaId\":\"E6EBFF85-99EE-48D7-8991-02AA59E78374\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"16.6.0\",\"versionEndExcluding\":\"16.6.2\",\"matchCriteriaId\":\"17596227-79F6-439A-89EC-B87F03EF73AC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"16.6.0\",\"versionEndExcluding\":\"16.6.2\",\"matchCriteriaId\":\"53E94AC5-C346-4511-B68C-DC0D86E575FC\"}]}]}],\"references\":[{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/issues/427827\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://hackerone.com/reports/2194607\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Permissions Required\"]},{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/issues/427827\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://hackerone.com/reports/2194607\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Permissions Required\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.