gsd-2019-11842
Vulnerability from gsd
Modified
2023-12-13 01:24
Details
An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2019-11842",
"description": "An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID.",
"id": "GSD-2019-11842"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2019-11842"
],
"details": "An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID.",
"id": "GSD-2019-11842",
"modified": "2023-12-13T01:24:02.562001Z",
"schema_version": "1.4.0"
}
},
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"ID": "CVE-2019-11842",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
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"vendor_name": "n/a"
}
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"description": {
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"lang": "eng",
"value": "An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID."
}
]
},
"problemtype": {
"problemtype_data": [
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"lang": "eng",
"value": "n/a"
}
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}
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},
"references": {
"reference_data": [
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"name": "https://matrix.org/blog/2019/05/03/security-updates-sydent-1-0-3-synapse-0-99-3-1-and-riot-android-0-9-0-0-8-99-0-8-28-a/",
"refsource": "MISC",
"url": "https://matrix.org/blog/2019/05/03/security-updates-sydent-1-0-3-synapse-0-99-3-1-and-riot-android-0-9-0-0-8-99-0-8-28-a/"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c1.0.3",
"affected_versions": "All versions before 1.0.3",
"cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-338",
"CWE-937"
],
"date": "2022-07-27",
"description": "An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID.",
"fixed_versions": [
"1.0.3"
],
"identifier": "CVE-2019-11842",
"identifiers": [
"GHSA-gwf7-vfjf-wf6x",
"CVE-2019-11842"
],
"not_impacted": "All versions starting from 1.0.3",
"package_slug": "pypi/matrix-sydent",
"pubdate": "2022-05-24",
"solution": "Upgrade to version 1.0.3 or above.",
"title": "Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2019-11842",
"https://matrix.org/blog/2019/05/03/security-updates-sydent-1-0-3-synapse-0-99-3-1-and-riot-android-0-9-0-0-8-99-0-8-28-a/",
"https://github.com/advisories/GHSA-gwf7-vfjf-wf6x"
],
"uuid": "62706136-40eb-498b-85b6-fd95284c8f99"
},
{
"affected_range": "\u003c0.99.3.1",
"affected_versions": "All versions before 0.99.3.1",
"cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-338",
"CWE-937"
],
"date": "2019-05-10",
"description": "An issue was discovered in Matrix Sydent and Synapse. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID.",
"fixed_versions": [
"0.99.3.1"
],
"identifier": "CVE-2019-11842",
"identifiers": [
"CVE-2019-11842"
],
"not_impacted": "All versions starting from 0.99.3.1",
"package_slug": "pypi/matrix-synapse",
"pubdate": "2019-05-09",
"solution": "Upgrade to version 0.99.3.1 or above.",
"title": "Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2019-11842",
"https://matrix.org/blog/2019/05/03/security-updates-sydent-1-0-3-synapse-0-99-3-1-and-riot-android-0-9-0-0-8-99-0-8-28-a/"
],
"uuid": "8bf14d3d-464c-45bd-bbeb-912bb40306ca"
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "0.99.3.1",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:matrix:sydent:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "1.0.3",
"vulnerable": true
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"operator": "OR"
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},
"cve": {
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"ID": "CVE-2019-11842"
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"data_format": "MITRE",
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"description": {
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"value": "An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID."
}
]
},
"problemtype": {
"problemtype_data": [
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"references": {
"reference_data": [
{
"name": "https://matrix.org/blog/2019/05/03/security-updates-sydent-1-0-3-synapse-0-99-3-1-and-riot-android-0-9-0-0-8-99-0-8-28-a/",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://matrix.org/blog/2019/05/03/security-updates-sydent-1-0-3-synapse-0-99-3-1-and-riot-android-0-9-0-0-8-99-0-8-28-a/"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2019-05-10T13:57Z",
"publishedDate": "2019-05-09T18:29Z"
}
}
}
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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.
- 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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