GSD-2019-11043
Vulnerability from gsd - Updated: 2023-12-13 01:24Details
In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2019-11043",
"description": "In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.",
"id": "GSD-2019-11043",
"references": [
"https://www.suse.com/security/cve/CVE-2019-11043.html",
"https://www.debian.org/security/2019/dsa-4552",
"https://www.debian.org/security/2019/dsa-4553",
"https://access.redhat.com/errata/RHSA-2020:2835",
"https://access.redhat.com/errata/RHSA-2020:0322",
"https://access.redhat.com/errata/RHSA-2019:3736",
"https://access.redhat.com/errata/RHSA-2019:3735",
"https://access.redhat.com/errata/RHSA-2019:3724",
"https://access.redhat.com/errata/RHSA-2019:3300",
"https://access.redhat.com/errata/RHSA-2019:3299",
"https://access.redhat.com/errata/RHSA-2019:3287",
"https://access.redhat.com/errata/RHSA-2019:3286",
"https://ubuntu.com/security/CVE-2019-11043",
"https://advisories.mageia.org/CVE-2019-11043.html",
"https://security.archlinux.org/CVE-2019-11043",
"https://alas.aws.amazon.com/cve/html/CVE-2019-11043.html",
"https://linux.oracle.com/cve/CVE-2019-11043.html",
"https://packetstormsecurity.com/files/cve/CVE-2019-11043"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2019-11043"
],
"details": "In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.",
"id": "GSD-2019-11043",
"modified": "2023-12-13T01:24:02.024494Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cisa.gov": {
"cveID": "CVE-2019-11043",
"dateAdded": "2022-03-25",
"dueDate": "2022-04-15",
"product": "FastCGI Process Manager (FPM)",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "In some versions of PHP in certain configurations of FPM setup, it is possible to cause FPM module to write past allocated buffers allowing the possibility of remote code execution.",
"vendorProject": "PHP",
"vulnerabilityName": "PHP FastCGI Process Manager (FPM) Buffer Overflow Vulnerability"
},
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security@php.net",
"DATE_PUBLIC": "2019-10-22T03:18:00.000Z",
"ID": "CVE-2019-11043",
"STATE": "PUBLIC",
"TITLE": "Underflow in PHP-FPM can lead to RCE"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "PHP",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "7.1.x",
"version_value": "7.1.33"
},
{
"version_affected": "\u003c",
"version_name": "7.2.x",
"version_value": "7.2.24"
},
{
"version_affected": "\u003c",
"version_name": "7.3.x",
"version_value": "7.3.11"
}
]
}
}
]
},
"vendor_name": "PHP"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Reported by Emil Lerner. "
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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{
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"value": "In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution."
}
]
},
"exploit": [
{
"lang": "eng",
"value": "Exploit described at https://github.com/neex/phuip-fpizdam"
}
],
"generator": {
"engine": "Vulnogram 0.0.8"
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
"version": "3.1"
}
},
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{
"description": [
{
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"value": "CWE-120 Buffer Overflow"
}
]
}
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},
"references": {
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{
"name": "https://bugs.php.net/bug.php?id=78599",
"refsource": "CONFIRM",
"url": "https://bugs.php.net/bug.php?id=78599"
},
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"name": "FEDORA-2019-4adc49a476",
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T62LF4ZWVV7OMMIZFO6IFO5QLZKK7YRD/"
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{
"name": "https://security.netapp.com/advisory/ntap-20191031-0003/",
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"url": "https://security.netapp.com/advisory/ntap-20191031-0003/"
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{
"name": "RHSA-2019:3286",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3286"
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{
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"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3287"
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},
{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3W23TP6X4H7LB645FYZLUPNIRD5W3EPU/"
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M/"
},
{
"name": "openSUSE-SU-2019:2441",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.html"
},
{
"name": "RHSA-2019:3724",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3724"
},
{
"name": "RHSA-2019:3735",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3735"
},
{
"name": "RHSA-2019:3736",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3736"
},
{
"name": "https://www.synology.com/security/advisory/Synology_SA_19_36",
"refsource": "CONFIRM",
"url": "https://www.synology.com/security/advisory/Synology_SA_19_36"
},
{
"name": "openSUSE-SU-2019:2457",
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"url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.html"
},
{
"name": "https://support.apple.com/kb/HT210919",
"refsource": "CONFIRM",
"url": "https://support.apple.com/kb/HT210919"
},
{
"name": "20200129 APPLE-SA-2020-1-28-2 macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra",
"refsource": "BUGTRAQ",
"url": "https://seclists.org/bugtraq/2020/Jan/44"
},
{
"name": "20200131 APPLE-SA-2020-1-28-2 macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2020/Jan/40"
},
{
"name": "RHSA-2020:0322",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2020:0322"
},
{
"name": "http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html"
},
{
"name": "https://www.tenable.com/security/tns-2021-14",
"refsource": "CONFIRM",
"url": "https://www.tenable.com/security/tns-2021-14"
}
]
},
"source": {
"defect": [
"https://bugs.php.net/bug.php?id=78599"
],
"discovery": "EXTERNAL"
},
"work_around": [
{
"lang": "eng",
"value": "Configuring nginx (or other server that implements the front-end part of the FPM protocol) to check for the existence of the target file before passing it to PHP FPM (e.g. \"try_files $uri =404\" or \"if (-f $uri)\" in nginx) for would prevent this vulnerability from happening. "
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
{
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"versionEndExcluding": "7.1.33",
"versionStartIncluding": "7.1.0",
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},
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},
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"tags": [],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M/"
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"name": "openSUSE-SU-2019:2441",
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"url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.html"
},
{
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{
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"tags": [],
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"name": "http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html",
"refsource": "MISC",
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"url": "http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html"
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"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
}
},
"lastModifiedDate": "2021-07-22T18:15Z",
"publishedDate": "2019-10-28T15:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
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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