GSD-2019-8942
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
WordPress before 4.9.9 and 5.x before 5.0.1 allows remote code execution because an _wp_attached_file Post Meta entry can be changed to an arbitrary string, such as one ending with a .jpg?file.php substring. An attacker with author privileges can execute arbitrary code by uploading a crafted image containing PHP code in the Exif metadata. Exploitation can leverage CVE-2019-8943.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2019-8942",
"description": "WordPress before 4.9.9 and 5.x before 5.0.1 allows remote code execution because an _wp_attached_file Post Meta entry can be changed to an arbitrary string, such as one ending with a .jpg?file.php substring. An attacker with author privileges can execute arbitrary code by uploading a crafted image containing PHP code in the Exif metadata. Exploitation can leverage CVE-2019-8943.",
"id": "GSD-2019-8942",
"references": [
"https://www.suse.com/security/cve/CVE-2019-8942.html",
"https://www.debian.org/security/2019/dsa-4401",
"https://security.archlinux.org/CVE-2019-8942",
"https://packetstormsecurity.com/files/cve/CVE-2019-8942"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2019-8942"
],
"details": "WordPress before 4.9.9 and 5.x before 5.0.1 allows remote code execution because an _wp_attached_file Post Meta entry can be changed to an arbitrary string, such as one ending with a .jpg?file.php substring. An attacker with author privileges can execute arbitrary code by uploading a crafted image containing PHP code in the Exif metadata. Exploitation can leverage CVE-2019-8943.",
"id": "GSD-2019-8942",
"modified": "2023-12-13T01:23:48.122681Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2019-8942",
"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": "WordPress before 4.9.9 and 5.x before 5.0.1 allows remote code execution because an _wp_attached_file Post Meta entry can be changed to an arbitrary string, such as one ending with a .jpg?file.php substring. An attacker with author privileges can execute arbitrary code by uploading a crafted image containing PHP code in the Exif metadata. Exploitation can leverage CVE-2019-8943."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://wpvulndb.com/vulnerabilities/9222",
"refsource": "MISC",
"url": "https://wpvulndb.com/vulnerabilities/9222"
},
{
"name": "46511",
"refsource": "EXPLOIT-DB",
"url": "https://www.exploit-db.com/exploits/46511/"
},
{
"name": "107088",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/107088"
},
{
"name": "https://blog.ripstech.com/2019/wordpress-image-remote-code-execution/",
"refsource": "MISC",
"url": "https://blog.ripstech.com/2019/wordpress-image-remote-code-execution/"
},
{
"name": "DSA-4401",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2019/dsa-4401"
},
{
"name": "[debian-lts-announce] 20190331 [SECURITY] [DLA 1742-1] wordpress security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00044.html"
},
{
"name": "http://packetstormsecurity.com/files/152396/WordPress-5.0.0-crop-image-Shell-Upload.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/152396/WordPress-5.0.0-crop-image-Shell-Upload.html"
},
{
"name": "http://www.rapid7.com/db/modules/exploit/multi/http/wp_crop_rce",
"refsource": "MISC",
"url": "http://www.rapid7.com/db/modules/exploit/multi/http/wp_crop_rce"
},
{
"name": "46662",
"refsource": "EXPLOIT-DB",
"url": "https://www.exploit-db.com/exploits/46662/"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:wordpress:wordpress:5.0:beta2:*:*:*:*:*:*",
"cpe_name": [],
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},
{
"cpe23Uri": "cpe:2.3:a:wordpress:wordpress:5.0:beta3:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:wordpress:wordpress:5.0:beta4:*:*:*:*:*:*",
"cpe_name": [],
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},
{
"cpe23Uri": "cpe:2.3:a:wordpress:wordpress:5.0:beta5:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:wordpress:wordpress:5.0:rc2:*:*:*:*:*:*",
"cpe_name": [],
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},
{
"cpe23Uri": "cpe:2.3:a:wordpress:wordpress:5.0:beta1:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
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"cpe_name": [],
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},
{
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"cpe_name": [],
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},
{
"cpe23Uri": "cpe:2.3:a:wordpress:wordpress:5.0:rc3:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "4.9.9",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2019-8942"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
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"value": "WordPress before 4.9.9 and 5.x before 5.0.1 allows remote code execution because an _wp_attached_file Post Meta entry can be changed to an arbitrary string, such as one ending with a .jpg?file.php substring. An attacker with author privileges can execute arbitrary code by uploading a crafted image containing PHP code in the Exif metadata. Exploitation can leverage CVE-2019-8943."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-434"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://blog.ripstech.com/2019/wordpress-image-remote-code-execution/",
"refsource": "MISC",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://blog.ripstech.com/2019/wordpress-image-remote-code-execution/"
},
{
"name": "107088",
"refsource": "BID",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/107088"
},
{
"name": "https://wpvulndb.com/vulnerabilities/9222",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "https://wpvulndb.com/vulnerabilities/9222"
},
{
"name": "DSA-4401",
"refsource": "DEBIAN",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2019/dsa-4401"
},
{
"name": "46511",
"refsource": "EXPLOIT-DB",
"tags": [
"Exploit",
"VDB Entry",
"Third Party Advisory"
],
"url": "https://www.exploit-db.com/exploits/46511/"
},
{
"name": "[debian-lts-announce] 20190331 [SECURITY] [DLA 1742-1] wordpress security update",
"refsource": "MLIST",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00044.html"
},
{
"name": "http://packetstormsecurity.com/files/152396/WordPress-5.0.0-crop-image-Shell-Upload.html",
"refsource": "MISC",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/152396/WordPress-5.0.0-crop-image-Shell-Upload.html"
},
{
"name": "http://www.rapid7.com/db/modules/exploit/multi/http/wp_crop_rce",
"refsource": "MISC",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "http://www.rapid7.com/db/modules/exploit/multi/http/wp_crop_rce"
},
{
"name": "46662",
"refsource": "EXPLOIT-DB",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"url": "https://www.exploit-db.com/exploits/46662/"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2021-07-21T11:39Z",
"publishedDate": "2019-02-20T03:29Z"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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
| Author | Source | Type | Date | Other |
|---|
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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- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- 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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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