GSD-2019-14869

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A flaw was found in all versions of ghostscript 9.x before 9.50, where the `.charkeys` procedure, where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges within the Ghostscript and access files outside of restricted areas or execute commands.
Aliases
Aliases
CVE-2019-14869
To clipboard 

{
  "GSD": {
    "alias": "CVE-2019-14869",
    "description": "A flaw was found in all versions of ghostscript 9.x before 9.50, where the `.charkeys` procedure, where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges within the Ghostscript and access files outside of restricted areas or execute commands.",
    "id": "GSD-2019-14869",
    "references": [
      "https://www.suse.com/security/cve/CVE-2019-14869.html",
      "https://www.debian.org/security/2019/dsa-4569",
      "https://access.redhat.com/errata/RHSA-2020:0222",
      "https://access.redhat.com/errata/RHSA-2019:3890",
      "https://access.redhat.com/errata/RHSA-2019:3888",
      "https://ubuntu.com/security/CVE-2019-14869",
      "https://advisories.mageia.org/CVE-2019-14869.html",
      "https://security.archlinux.org/CVE-2019-14869",
      "https://linux.oracle.com/cve/CVE-2019-14869.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-14869"
      ],
      "details": "A flaw was found in all versions of ghostscript 9.x before 9.50, where the `.charkeys` procedure, where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges within the Ghostscript and access files outside of restricted areas or execute commands.",
      "id": "GSD-2019-14869",
      "modified": "2023-12-13T01:23:53.501722Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
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        "ID": "CVE-2019-14869",
        "STATE": "PUBLIC"
      },
      "affects": {
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            {
              "product": {
                "product_data": [
                  {
                    "product_name": "ghostscript",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "all versions of ghostscript 9.x before 9.28"
                        }
                      ]
                    }
                  }
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            }
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          }
        ]
      },
      "impact": {
        "cvss": [
          [
            {
              "vectorString": "7.3/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.0"
            }
          ]
        ]
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      "problemtype": {
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                "value": "CWE-648"
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          },
          {
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            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2019/11/15/1"
          },
          {
            "name": "https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=485904772c5f",
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          },
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          },
          {
            "name": "RHSA-2020:0222",
            "refsource": "REDHAT",
            "url": "https://access.redhat.com/errata/RHSA-2020:0222"
          },
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            "url": "http://jvn.jp/en/jp/JVN52486659/index.html"
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        ]
      }
    },
    "nvd.nist.gov": {
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                "cpe_name": [],
                "versionEndExcluding": "9.50",
                "versionStartIncluding": "9.00",
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          {
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      "cve": {
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          "ID": "CVE-2019-14869"
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            }
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        },
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            },
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2020-10-09T13:12Z",
      "publishedDate": "2019-11-15T12:15Z"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • 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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