gsd-2020-26259
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.15, is vulnerable to an Arbitrary File Deletion on the local host when unmarshalling. The vulnerability may allow a remote attacker to delete arbitrary know files on the host as log as the executing process has sufficient rights only by manipulating the processed input stream. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.15. The reported vulnerability does not exist running Java 15 or higher. No user is affected, who followed the recommendation to setup XStream's Security Framework with a whitelist! Anyone relying on XStream's default blacklist can immediately switch to a whilelist for the allowed types to avoid the vulnerability. Users of XStream 1.4.14 or below who still want to use XStream default blacklist can use a workaround described in more detailed in the referenced advisories.
Aliases
Aliases
CVE-2020-26259


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-26259",
    "description": "XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.15, is vulnerable to an Arbitrary File Deletion on the local host when unmarshalling. The vulnerability may allow a remote attacker to delete arbitrary know files on the host as log as the executing process has sufficient rights only by manipulating the processed input stream. If you rely on XStream\u0027s default blacklist of the Security Framework, you will have to use at least version 1.4.15. The reported vulnerability does not exist running Java 15 or higher. No user is affected, who followed the recommendation to setup XStream\u0027s Security Framework with a whitelist! Anyone relying on XStream\u0027s default blacklist can immediately switch to a whilelist for the allowed types to avoid the vulnerability. Users of XStream 1.4.14 or below who still want to use XStream default blacklist can use a workaround described in more detailed in the referenced advisories.",
    "id": "GSD-2020-26259",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-26259.html",
      "https://www.debian.org/security/2021/dsa-4828",
      "https://access.redhat.com/errata/RHSA-2021:5134",
      "https://access.redhat.com/errata/RHSA-2021:4767",
      "https://access.redhat.com/errata/RHSA-2021:3205",
      "https://access.redhat.com/errata/RHSA-2021:2476",
      "https://access.redhat.com/errata/RHSA-2021:2475",
      "https://access.redhat.com/errata/RHSA-2021:2139",
      "https://ubuntu.com/security/CVE-2020-26259"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-26259"
      ],
      "details": "XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.15, is vulnerable to an Arbitrary File Deletion on the local host when unmarshalling. The vulnerability may allow a remote attacker to delete arbitrary know files on the host as log as the executing process has sufficient rights only by manipulating the processed input stream. If you rely on XStream\u0027s default blacklist of the Security Framework, you will have to use at least version 1.4.15. The reported vulnerability does not exist running Java 15 or higher. No user is affected, who followed the recommendation to setup XStream\u0027s Security Framework with a whitelist! Anyone relying on XStream\u0027s default blacklist can immediately switch to a whilelist for the allowed types to avoid the vulnerability. Users of XStream 1.4.14 or below who still want to use XStream default blacklist can use a workaround described in more detailed in the referenced advisories.",
      "id": "GSD-2020-26259",
      "modified": "2023-12-13T01:22:08.974303Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2020-26259",
        "STATE": "PUBLIC",
        "TITLE": "XStream is vulnerable to an Arbitrary File Deletion on the local host when unmarshalling"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "xstream",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003c 1.4.15"
                        }
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            "value": "XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.15, is vulnerable to an Arbitrary File Deletion on the local host when unmarshalling. The vulnerability may allow a remote attacker to delete arbitrary know files on the host as log as the executing process has sufficient rights only by manipulating the processed input stream. If you rely on XStream\u0027s default blacklist of the Security Framework, you will have to use at least version 1.4.15. The reported vulnerability does not exist running Java 15 or higher. No user is affected, who followed the recommendation to setup XStream\u0027s Security Framework with a whitelist! Anyone relying on XStream\u0027s default blacklist can immediately switch to a whilelist for the allowed types to avoid the vulnerability. Users of XStream 1.4.14 or below who still want to use XStream default blacklist can use a workaround described in more detailed in the referenced advisories."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
          "version": "3.1"
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          }
        ]
      },
      "source": {
        "advisory": "GHSA-jfvx-7wrx-43fh",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
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        {
          "affected_range": "(,1.4.15)",
          "affected_versions": "All versions before 1.4.15",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-78",
            "CWE-937"
          ],
          "date": "2021-11-30",
          "description": "XStream is a Java library to serialize objects to XML and back again. XStream is vulnerable to an Arbitrary File Deletion on the local host when unmarshalling. The vulnerability may allow a remote attacker to delete arbitrary known files on the host as log as the executing process has sufficient rights only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream\u0027s Security Framework with an allow list. Anyone relying on XStream\u0027s default block list can immediately switch to an allow list for the allowed types to avoid the vulnerability.",
          "fixed_versions": [
            "1.4.15"
          ],
          "identifier": "CVE-2020-26259",
          "identifiers": [
            "CVE-2020-26259",
            "GHSA-jfvx-7wrx-43fh"
          ],
          "not_impacted": "All versions starting from 1.4.15",
          "package_slug": "maven/com.thoughtworks.xstream/xstream",
          "pubdate": "2020-12-16",
          "solution": "Upgrade to version 1.4.15 or above.",
          "title": "OS Command Injection",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-26259"
          ],
          "uuid": "9f56efc8-0c21-4b30-8502-fe82256dc957"
        }
      ]
    },
    "nvd.nist.gov": {
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                "cpe23Uri": "cpe:2.3:a:xstream_project:xstream:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.4.15",
                "vulnerable": true
              }
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.4,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 4.0
        }
      },
      "lastModifiedDate": "2021-11-30T21:43Z",
      "publishedDate": "2020-12-16T01:15Z"
    }
  }
}


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