csaf_redhat - rhsa-2024

rhsa-2024_4537

Vulnerability from csaf_redhat

Published

2024-07-15 13:14

Modified

2024-11-24 16:34

Summary

Red Hat Security Advisory: ghostscript security update

Notes

Topic

An update for ghostscript is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed. Security Fix(es): * ghostscript: OPVP device arbitrary code execution via custom Driver library (CVE-2024-33871) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

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      "cwe": {
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        "name": "Improper Input Validation"
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      "discovery_date": "2024-05-16T00:00:00+00:00",
      "ids": [
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          "text": "2283508"
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Ghostscript. The \"Driver\" parameter for the \"opvp\"/\"oprp\" device specifies the name of a dynamic library and allows any library to be loaded. This flaw allows a malicious user to send a specially crafted document that, when processed by Ghostscript, could potentially lead to arbitrary code execution with the privileges of the Ghostscript process on the system.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "ghostscript: OPVP device arbitrary code execution via custom Driver library",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2024-33871"
        },
        {
          "category": "external",
          "summary": "RHBZ#2283508",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2283508"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-33871",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-33871"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-33871",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-33871"
        }
      ],
      "release_date": "2024-05-02T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-07-15T13:14:03+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "AppStream-8.2.0.Z.AUS:ghostscript-x11-debuginfo-0:9.25-6.el8_2.1.x86_64",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:4537"
        },
        {
          "category": "workaround",
          "details": "Passing the -dSAFER safety argument on the command line prevents the issue by locking security-related variables after Ghostscript\u2019s initialization. In RHEL 9, -dSAFER is enabled by default, ensuring that insecure commands are rejected in a safer environment. This mitigation is equally effective in RHEL 7 and 8 when -dSAFER is explicitly passed on the command line, addressing the vulnerability that allows insecure commands within PostScript files. Since the OPVP device, cannot be removed, we recommend to use -dSAFER in RHEL 7 and 8 as a practical security measure.",
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      ],
      "scores": [
        {
          "cvss_v3": {
            "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"
          },
          "products": [
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          ]
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "ghostscript: OPVP device arbitrary code execution via custom Driver library"
    }
  ]
}

cve-2024-33871

Vulnerability from cvelistv5

Published

2024-07-03 00:00

Modified

2024-08-02 02:42

Severity ?

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

An issue was discovered in Artifex Ghostscript before 10.03.1. contrib/opvp/gdevopvp.c allows arbitrary code execution via a custom Driver library, exploitable via a crafted PostScript document. This occurs because the Driver parameter for opvp (and oprp) devices can have an arbitrary name for a dynamic library; this library is then loaded.

References

▼	URL	Tags
	https://bugs.ghostscript.com/show_bug.cgi?id=707754
	https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=7145885041bb52cc23964f0aa2aec1b1c82b5908
	https://www.openwall.com/lists/oss-security/2024/06/28/2

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:artifex:ghostscript:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "ghostscript",
            "vendor": "artifex",
            "versions": [
              {
                "lessThan": "10.03.1",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-33871",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-05T14:13:10.636639Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-94",
                "description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-05T14:15:15.405Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T02:42:59.809Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugs.ghostscript.com/show_bug.cgi?id=707754"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=7145885041bb52cc23964f0aa2aec1b1c82b5908"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2024/06/28/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in Artifex Ghostscript before 10.03.1. contrib/opvp/gdevopvp.c allows arbitrary code execution via a custom Driver library, exploitable via a crafted PostScript document. This occurs because the Driver parameter for opvp (and oprp) devices can have an arbitrary name for a dynamic library; this library is then loaded."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-07-03T18:30:52.435256",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://bugs.ghostscript.com/show_bug.cgi?id=707754"
        },
        {
          "url": "https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=7145885041bb52cc23964f0aa2aec1b1c82b5908"
        },
        {
          "url": "https://www.openwall.com/lists/oss-security/2024/06/28/2"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2024-33871",
    "datePublished": "2024-07-03T00:00:00",
    "dateReserved": "2024-04-27T00:00:00",
    "dateUpdated": "2024-08-02T02:42:59.809Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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