{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-2085", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "dateUpdated": "2025-02-13T16:28:52.337Z", "dateReserved": "2022-06-15T00:00:00.000Z", "datePublished": "2022-06-16T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2023-09-17T06:06:35.395Z"}, "descriptions": [{"lang": "en", "value": "A NULL pointer dereference vulnerability was found in Ghostscript, which occurs when it tries to render a large number of bits in memory. When allocating a buffer device, it relies on an init_device_procs defined for the device that uses it as a prototype that depends upon the number of bits per pixel. For bpp > 64, mem_x_device is used and does not have an init_device_procs defined. This flaw allows an attacker to parse a large number of bits (more than 64 bits per pixel), which triggers a NULL pointer dereference flaw, causing an application to crash."}], "affected": [{"vendor": "n/a", "product": "GhostScript", "versions": [{"version": "Affects in Ghostscript v9.55.0", "status": "affected"}]}], "references": [{"url": "https://bugs.ghostscript.com/show_bug.cgi?id=704945"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2095261"}, {"url": "http://git.ghostscript.com/?p=ghostpdl.git%3Bh=ae1061d948d88667bdf51d47d918c4684d0f67df"}, {"name": "FEDORA-2022-d287230630", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERSZX5LKDWAHZWJYBMP2E2UHOPUCDEGV/"}, {"name": "GLSA-202211-11", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202211-11"}, {"url": "https://security.gentoo.org/glsa/202309-03"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-476 - NULL Pointer Dereference", "cweId": "CWE-476"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T00:24:44.176Z"}, "title": "CVE Program Container", "references": [{"url": "https://bugs.ghostscript.com/show_bug.cgi?id=704945", "tags": ["x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2095261", "tags": ["x_transferred"]}, {"url": "http://git.ghostscript.com/?p=ghostpdl.git%3Bh=ae1061d948d88667bdf51d47d918c4684d0f67df", "tags": ["x_transferred"]}, {"name": "FEDORA-2022-d287230630", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERSZX5LKDWAHZWJYBMP2E2UHOPUCDEGV/"}, {"name": "GLSA-202211-11", "tags": ["vendor-advisory", "x_transferred"], "url": "https://security.gentoo.org/glsa/202211-11"}, {"url": "https://security.gentoo.org/glsa/202309-03", "tags": ["x_transferred"]}]}]}}

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Este fallo permite a un atacante analizar un gran n\u00famero de bits (m\u00e1s de 64 bits por p\u00edxel), lo que desencadena un fallo de desreferencia de puntero NULL, causando el bloqueo de una aplicaci\u00f3n"}], "id": "CVE-2022-2085", "lastModified": "2024-11-21T07:00:17.593", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-06-16T18:15:10.190", "references": [{"source": "secalert@redhat.com", "url": "http://git.ghostscript.com/?p=ghostpdl.git%3Bh=ae1061d948d88667bdf51d47d918c4684d0f67df"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Mailing List", "Patch", "Vendor Advisory"], "url": "https://bugs.ghostscript.com/show_bug.cgi?id=704945"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2095261"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERSZX5LKDWAHZWJYBMP2E2UHOPUCDEGV/"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202211-11"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/202309-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.ghostscript.com/?p=ghostpdl.git%3Bh=ae1061d948d88667bdf51d47d918c4684d0f67df"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Mailing List", "Patch", "Vendor Advisory"], "url": "https://bugs.ghostscript.com/show_bug.cgi?id=704945"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2095261"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERSZX5LKDWAHZWJYBMP2E2UHOPUCDEGV/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202211-11"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202309-03"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "ghostscript: Null pointer dereference in gx_default_create_buf_device()", "id": "2095261", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2095261"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A NULL pointer dereference vulnerability was found in Ghostscript, which occurs when it tries to render a large number of bits in memory. When allocating a buffer device, it relies on an init_device_procs defined for the device that uses it as a prototype that depends upon the number of bits per pixel. For bpp > 64, mem_x_device is used and does not have an init_device_procs defined. This flaw allows an attacker to parse a large number of bits (more than 64 bits per pixel), which triggers a NULL pointer dereference flaw, causing an application to crash.", "A NULL pointer dereference vulnerability was found in Ghostscript, which occurs when it tries to render a large number of bits in memory. When allocating a buffer device, it relies on an init_device_procs defined for the device that uses it as a prototype that depends upon the number of bits per pixel. For bpp > 64, mem_x_device is used and does not have an init_device_procs defined. This flaw allows an attacker to parse a large number of bits (more than 64 bits per pixel), which triggers a NULL pointer dereference flaw, causing an application to crash."], "name": "CVE-2022-2085", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "ghostscript", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "ghostscript", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "ghostscript", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "gimp:flatpak/ghostscript", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "ghostscript", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2022-02-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-2085\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-2085"], "statement": "This is a fairly hard case, as very few devices use more than 64 bits per pixel. The DeviceN device is one of the few that does, and then the problem only kicks in if the MaxBitmap figure is high enough (or conversely the resolution is low enough).", "threat_severity": "Moderate"}

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