gsd-2020-25725
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack->cache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-25725",
"description": "In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack-\u003ecache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn\u0027t correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.",
"id": "GSD-2020-25725",
"references": [
"https://www.suse.com/security/cve/CVE-2020-25725.html",
"https://advisories.mageia.org/CVE-2020-25725.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-25725"
],
"details": "In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack-\u003ecache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn\u0027t correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.",
"id": "GSD-2020-25725",
"modified": "2023-12-13T01:21:56.934383Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2020-25725",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "xpdf",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "4.02"
}
]
}
}
]
},
"vendor_name": "Glyph \u0026 Cog"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack-\u003ecache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn\u0027t correctly handling the case where a Type 3 char referred to another char in the same Type 3 font."
}
]
},
"impact": {
"cvss": [
{
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
}
]
},
"problemtype": {
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{
"description": [
{
"cweId": "CWE-416",
"lang": "eng",
"value": "CWE-416"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://forum.xpdfreader.com/viewtopic.php?f=3\u0026t=41915",
"refsource": "MISC",
"url": "https://forum.xpdfreader.com/viewtopic.php?f=3\u0026t=41915"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725",
"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725"
},
{
"name": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/",
"refsource": "MISC",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/"
},
{
"name": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/",
"refsource": "MISC",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
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"cpeMatch": [
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"criteria": "cpe:2.3:a:xpdfreader:xpdf:4.02:*:*:*:*:*:*:*",
"matchCriteriaId": "405F7593-5AB5-416A-A64D-846B3D9F5A94",
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"descriptions": [
{
"lang": "en",
"value": "In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack-\u003ecache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn\u0027t correctly handling the case where a Type 3 char referred to another char in the same Type 3 font."
},
{
"lang": "es",
"value": "En Xpdf versi\u00f3n 4.02, la funci\u00f3n SplashOutputDev::endType3Char(GfxState *state) en el archivo SplashOutputDev.cc:3079, est\u00e1 tratando de usar \"t3GlyphStack-)cache\", el liberado, lo que causa un problema de \"heap-use-after-free\".\u0026#xa0;Los c\u00f3digos de una soluci\u00f3n anterior para caracteres Type 3 anidados no manejaban correctamente el caso en el que un car\u00e1cter Type 3 referenciada a otro car\u00e1cter en la misma fuente Type 3"
}
],
"id": "CVE-2020-25725",
"lastModified": "2023-12-13T21:27:39.883",
"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": [
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"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
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"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"
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"impactScore": 3.6,
"source": "nvd@nist.gov",
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"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.3,
"impactScore": 3.6,
"source": "secalert@redhat.com",
"type": "Secondary"
}
]
},
"published": "2020-11-21T06:15:12.240",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
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"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725"
},
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],
"url": "https://forum.xpdfreader.com/viewtopic.php?f=3\u0026t=41915"
},
{
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"tags": [
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],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/"
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}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Analyzed",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-416"
}
],
"source": "secalert@redhat.com",
"type": "Primary"
},
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"description": [
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"value": "CWE-416"
}
],
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
}
}
}
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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