USN-6011-1 (UBUNTU-CVE-2021-31684)
Vulnerability from osv_ubuntu – Published: 2023-04-12 08:36 – Updated: 2026-02-10 04:43 – Source website
VLAI
Summary
json-smart vulnerabilities
Details
It was discovered that Json-smart incorrectly handled memory when processing input containing unclosed quotes. A remote attacker could possibly use this issue to cause applications using Json-smart to crash, leading to a denial of service. (CVE-2021-31684)
It was discovered that Json-smart incorrectly handled memory when processing input containing unclosed brackets. A remote attacker could possibly use this issue to cause applications using Json-smart to crash, leading to a denial of service. (CVE-2023-1370)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2021-31684",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-1370",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libjson-smart-java",
"binary_version": "2.2-2ubuntu0.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "json-smart",
"purl": "pkg:deb/ubuntu/json-smart@2.2-2ubuntu0.18.04.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2-2ubuntu0.18.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2-1",
"2.2-2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2021-31684",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-1370",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libjson-smart-java",
"binary_version": "2.2-2ubuntu0.20.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "json-smart",
"purl": "pkg:deb/ubuntu/json-smart@2.2-2ubuntu0.20.04.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2-2ubuntu0.20.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2-2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2021-31684",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-1370",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libjson-smart-java",
"binary_version": "2.2-2ubuntu0.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "json-smart",
"purl": "pkg:deb/ubuntu/json-smart@2.2-2ubuntu0.22.04.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2-2ubuntu0.22.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2-2"
]
}
],
"aliases": [],
"details": "It was discovered that Json-smart incorrectly handled memory\nwhen processing input containing unclosed quotes.\nA remote attacker could possibly use this issue to cause\napplications using Json-smart to crash, leading to a\ndenial of service. (CVE-2021-31684)\n\nIt was discovered that Json-smart incorrectly handled memory\nwhen processing input containing unclosed brackets.\nA remote attacker could possibly use this issue to cause\napplications using Json-smart to crash, leading to a\ndenial of service. (CVE-2023-1370)\n",
"id": "USN-6011-1",
"modified": "2026-02-10T04:43:04Z",
"published": "2023-04-12T08:36:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6011-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-31684"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-1370"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "json-smart vulnerabilities",
"upstream": [
"UBUNTU-CVE-2021-31684",
"UBUNTU-CVE-2023-1370"
]
}
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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.
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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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