CVE-2021-42550 (GCVE-0-2021-42550)

Vulnerability from cvelistv5 – Published: 2021-12-16 00:00 – Updated: 2024-08-04 03:38
VLAI?
Title
RCE from attacker with configuration edit priviledges through JNDI lookup
Summary
In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from LDAP servers.
Severity ?
6.6 (Medium)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
QOS.ch logback Affected: unspecified , < 1.2.9 (custom)
Affected: unspecified , < 1.3.0-alpha11 (custom)
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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:38:49.194Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://logback.qos.ch/news.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/cn-panda/logbackRceDemo"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://jira.qos.ch/browse/LOGBACK-1591"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20211229-0001/"
          },
          {
            "name": "20220721 Open-Xchange Security Advisory 2022-07-21",
            "tags": [
              "mailing-list",
              "x_transferred"
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            "url": "http://seclists.org/fulldisclosure/2022/Jul/11"
          },
          {
            "tags": [
              "x_transferred"
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            "url": "http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "logback",
          "vendor": "QOS.ch",
          "versions": [
            {
              "lessThan": "1.2.9",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
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              "status": "affected",
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      "descriptions": [
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          "lang": "en",
          "value": "In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from LDAP servers."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
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      ],
      "problemTypes": [
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          "descriptions": [
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              "cweId": "CWE-502",
              "description": "CWE-502 Deserialization of Untrusted Data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-11-08T00:00:00.000Z",
        "orgId": "455daabc-a392-441d-aa46-37d35189897c",
        "shortName": "NCSC.ch"
      },
      "references": [
        {
          "url": "http://logback.qos.ch/news.html"
        },
        {
          "url": "https://github.com/cn-panda/logbackRceDemo"
        },
        {
          "url": "https://jira.qos.ch/browse/LOGBACK-1591"
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          "url": "https://security.netapp.com/advisory/ntap-20211229-0001/"
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          "name": "20220721 Open-Xchange Security Advisory 2022-07-21",
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          "url": "http://seclists.org/fulldisclosure/2022/Jul/11"
        },
        {
          "url": "http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "upgrade to  \u003e=1.2.9 or \u003e=1.3.0-alpha11"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "RCE from attacker with configuration edit priviledges through JNDI lookup",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c",
    "assignerShortName": "NCSC.ch",
    "cveId": "CVE-2021-42550",
    "datePublished": "2021-12-16T00:00:00.000Z",
    "dateReserved": "2021-10-15T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:38:49.194Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.