GSD-2021-21702
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-21702",
"description": "In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash.",
"id": "GSD-2021-21702",
"references": [
"https://www.suse.com/security/cve/CVE-2021-21702.html",
"https://www.debian.org/security/2021/dsa-4856",
"https://access.redhat.com/errata/RHSA-2021:4213",
"https://access.redhat.com/errata/RHSA-2021:2992",
"https://ubuntu.com/security/CVE-2021-21702",
"https://advisories.mageia.org/CVE-2021-21702.html",
"https://security.archlinux.org/CVE-2021-21702",
"https://linux.oracle.com/cve/CVE-2021-21702.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-21702"
],
"details": "In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash.",
"id": "GSD-2021-21702",
"modified": "2023-12-13T01:23:10.864211Z",
"schema_version": "1.4.0"
}
},
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"DATE_PUBLIC": "2021-02-01T14:00:00.000Z",
"ID": "CVE-2021-21702",
"STATE": "PUBLIC",
"TITLE": "Null Dereference in SoapClient"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "PHP",
"version": {
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{
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},
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},
{
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"version_value": "8.0.2"
}
]
}
}
]
},
"vendor_name": "PHP Group"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Reported by jgalindo at datto dot com"
}
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}
]
},
"generator": {
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},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
}
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"problemtype": {
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{
"description": [
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"lang": "eng",
"value": "CWE-476 NULL Pointer Dereference"
}
]
}
]
},
"references": {
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{
"name": "https://bugs.php.net/bug.php?id=80672",
"refsource": "MISC",
"url": "https://bugs.php.net/bug.php?id=80672"
},
{
"name": "DSA-4856",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2021/dsa-4856"
},
{
"name": "GLSA-202105-23",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/202105-23"
},
{
"name": "[debian-lts-announce] 20210715 [SECURITY] [DLA 2708-1] php7.0 security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2021/07/msg00008.html"
},
{
"name": "https://www.oracle.com/security-alerts/cpuoct2021.html",
"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
},
{
"name": "https://www.tenable.com/security/tns-2021-14",
"refsource": "CONFIRM",
"url": "https://www.tenable.com/security/tns-2021-14"
},
{
"name": "https://security.netapp.com/advisory/ntap-20210312-0005/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20210312-0005/"
}
]
},
"source": {
"defect": [
"https://bugs.php.net/bug.php?id=77423"
],
"discovery": "EXTERNAL"
}
},
"nvd.nist.gov": {
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}
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"tags": [
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"url": "https://bugs.php.net/bug.php?id=80672"
},
{
"name": "DSA-4856",
"refsource": "DEBIAN",
"tags": [
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],
"url": "https://www.debian.org/security/2021/dsa-4856"
},
{
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},
{
"name": "[debian-lts-announce] 20210715 [SECURITY] [DLA 2708-1] php7.0 security update",
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"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2021-12-10T17:58Z",
"publishedDate": "2021-02-15T04:15Z"
}
}
}
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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.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- 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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