gsd-2020-36773
Vulnerability from gsd
Modified
2024-02-05 06:03
Details
Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite) because a single character code in a PDF document can map to more than one Unicode code point (e.g., for a ligature).
Aliases
{
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-36773"
],
"details": "Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite) because a single character code in a PDF document can map to more than one Unicode code point (e.g., for a ligature).",
"id": "GSD-2020-36773",
"modified": "2024-02-05T06:03:40.974933Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2020-36773",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite) because a single character code in a PDF document can map to more than one Unicode code point (e.g., for a ligature)."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugs.ghostscript.com/show_bug.cgi?id=702229",
"refsource": "MISC",
"url": "https://bugs.ghostscript.com/show_bug.cgi?id=702229"
},
{
"name": "https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=8c7bd787defa071c96289b7da9397f673fddb874",
"refsource": "MISC",
"url": "https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=8c7bd787defa071c96289b7da9397f673fddb874"
},
{
"name": "https://bugzilla.opensuse.org/show_bug.cgi?id=1177922",
"refsource": "MISC",
"url": "https://bugzilla.opensuse.org/show_bug.cgi?id=1177922"
},
{
"name": "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530",
"refsource": "MISC",
"url": "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:artifex:ghostscript:9.51:*:*:*:*:*:*:*",
"matchCriteriaId": "C18E63CE-B2D5-44A2-89E0-B2C6A3554D79",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:artifex:ghostscript:9.52:*:*:*:*:*:*:*",
"matchCriteriaId": "BF20A2FF-98ED-45EF-9263-D915D7A1953D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:artifex:ghostscript:9.52.1:*:*:*:*:*:*:*",
"matchCriteriaId": "FCA9F31F-F4B8-43E6-A747-BDC189BADD05",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:artifex:ghostscript:9.53.0:rc1:*:*:*:*:*:*",
"matchCriteriaId": "E6FE7E73-AE7B-42D4-8E83-17249CC9F46A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:artifex:ghostscript:9.53.0:rc2:*:*:*:*:*:*",
"matchCriteriaId": "AC033F01-8AF9-4B10-9789-35255739A232",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite) because a single character code in a PDF document can map to more than one Unicode code point (e.g., for a ligature)."
},
{
"lang": "es",
"value": "Artifex Ghostscript anterior a 9.53.0 tiene una escritura y un use-after-free fuera de los l\u00edmites en devices/vector/gdevtxtw.c (para txtwrite) porque un c\u00f3digo de un solo car\u00e1cter en un documento PDF se puede asignar a m\u00e1s de un punto de c\u00f3digo Unicode. (por ejemplo, para una ligadura)."
}
],
"id": "CVE-2020-36773",
"lastModified": "2024-03-04T23:04:23.720",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2024-02-04T18:16:00.713",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Patch"
],
"url": "https://bugs.ghostscript.com/show_bug.cgi?id=702229"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking"
],
"url": "https://bugzilla.opensuse.org/show_bug.cgi?id=1177922"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes"
],
"url": "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
},
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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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.
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- 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.