ubuntu-cve-2021-32547
Vulnerability from osv_ubuntu
Published
2021-05-25 00:00
Modified
2025-07-16 04:57
Summary
Details
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-lts package apport hooks, it could expose private data to other local users.
Severity
5.5 (Medium)
7.3 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "apport",
"binary_version": "2.14.1-0ubuntu3.29+esm7"
},
{
"binary_name": "apport-gtk",
"binary_version": "2.14.1-0ubuntu3.29+esm7"
},
{
"binary_name": "apport-kde",
"binary_version": "2.14.1-0ubuntu3.29+esm7"
},
{
"binary_name": "apport-noui",
"binary_version": "2.14.1-0ubuntu3.29+esm7"
},
{
"binary_name": "apport-retrace",
"binary_version": "2.14.1-0ubuntu3.29+esm7"
},
{
"binary_name": "apport-valgrind",
"binary_version": "2.14.1-0ubuntu3.29+esm7"
},
{
"binary_name": "dh-apport",
"binary_version": "2.14.1-0ubuntu3.29+esm7"
},
{
"binary_name": "python-apport",
"binary_version": "2.14.1-0ubuntu3.29+esm7"
},
{
"binary_name": "python-problem-report",
"binary_version": "2.14.1-0ubuntu3.29+esm7"
},
{
"binary_name": "python3-apport",
"binary_version": "2.14.1-0ubuntu3.29+esm7"
},
{
"binary_name": "python3-problem-report",
"binary_version": "2.14.1-0ubuntu3.29+esm7"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "apport",
"purl": "pkg:deb/ubuntu/apport@2.14.1-0ubuntu3.29+esm7?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.14.1-0ubuntu3.29+esm7"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.12.5-0ubuntu2",
"2.12.6-0ubuntu1",
"2.12.7-0ubuntu1",
"2.12.7-0ubuntu2",
"2.12.7-0ubuntu3",
"2.12.7-0ubuntu6",
"2.13.1-0ubuntu1",
"2.13.1-0ubuntu2",
"2.13.2-0ubuntu2",
"2.13.2-0ubuntu3",
"2.13.2-0ubuntu4",
"2.13.2-0ubuntu5",
"2.13.3-0ubuntu1",
"2.14-0ubuntu1",
"2.14.1-0ubuntu1",
"2.14.1-0ubuntu2",
"2.14.1-0ubuntu3",
"2.14.1-0ubuntu3.1",
"2.14.1-0ubuntu3.2",
"2.14.1-0ubuntu3.3",
"2.14.1-0ubuntu3.4",
"2.14.1-0ubuntu3.5",
"2.14.1-0ubuntu3.6",
"2.14.1-0ubuntu3.7",
"2.14.1-0ubuntu3.8",
"2.14.1-0ubuntu3.9",
"2.14.1-0ubuntu3.10",
"2.14.1-0ubuntu3.11",
"2.14.1-0ubuntu3.12",
"2.14.1-0ubuntu3.13",
"2.14.1-0ubuntu3.15",
"2.14.1-0ubuntu3.16",
"2.14.1-0ubuntu3.18",
"2.14.1-0ubuntu3.19",
"2.14.1-0ubuntu3.20",
"2.14.1-0ubuntu3.21",
"2.14.1-0ubuntu3.23",
"2.14.1-0ubuntu3.24",
"2.14.1-0ubuntu3.25",
"2.14.1-0ubuntu3.27",
"2.14.1-0ubuntu3.28",
"2.14.1-0ubuntu3.29",
"2.14.1-0ubuntu3.29+esm1",
"2.14.1-0ubuntu3.29+esm2",
"2.14.1-0ubuntu3.29+esm3",
"2.14.1-0ubuntu3.29+esm4",
"2.14.1-0ubuntu3.29+esm5",
"2.14.1-0ubuntu3.29+esm6"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "apport",
"binary_version": "2.20.1-0ubuntu2.30+esm1"
},
{
"binary_name": "apport-gtk",
"binary_version": "2.20.1-0ubuntu2.30+esm1"
},
{
"binary_name": "apport-kde",
"binary_version": "2.20.1-0ubuntu2.30+esm1"
},
{
"binary_name": "apport-noui",
"binary_version": "2.20.1-0ubuntu2.30+esm1"
},
{
"binary_name": "apport-retrace",
"binary_version": "2.20.1-0ubuntu2.30+esm1"
},
{
"binary_name": "apport-valgrind",
"binary_version": "2.20.1-0ubuntu2.30+esm1"
},
{
"binary_name": "dh-apport",
"binary_version": "2.20.1-0ubuntu2.30+esm1"
},
{
"binary_name": "python-apport",
"binary_version": "2.20.1-0ubuntu2.30+esm1"
},
{
"binary_name": "python-problem-report",
"binary_version": "2.20.1-0ubuntu2.30+esm1"
},
{
"binary_name": "python3-apport",
"binary_version": "2.20.1-0ubuntu2.30+esm1"
},
{
"binary_name": "python3-problem-report",
"binary_version": "2.20.1-0ubuntu2.30+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "apport",
"purl": "pkg:deb/ubuntu/apport@2.20.1-0ubuntu2.30+esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.20.1-0ubuntu2.30+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.19.1-0ubuntu3",
"2.19.2-0ubuntu1",
"2.19.2-0ubuntu2",
"2.19.2-0ubuntu3",
"2.19.2-0ubuntu4",
"2.19.2-0ubuntu5",
"2.19.2-0ubuntu6",
"2.19.2-0ubuntu8",
"2.19.2-0ubuntu9",
"2.19.3-0ubuntu1",
"2.19.3-0ubuntu2",
"2.19.3-0ubuntu3",
"2.19.4-0ubuntu1",
"2.19.4-0ubuntu2",
"2.20-0ubuntu2",
"2.20-0ubuntu3",
"2.20.1-0ubuntu1",
"2.20.1-0ubuntu2",
"2.20.1-0ubuntu2.1",
"2.20.1-0ubuntu2.2",
"2.20.1-0ubuntu2.4",
"2.20.1-0ubuntu2.5",
"2.20.1-0ubuntu2.6",
"2.20.1-0ubuntu2.9",
"2.20.1-0ubuntu2.10",
"2.20.1-0ubuntu2.12",
"2.20.1-0ubuntu2.13",
"2.20.1-0ubuntu2.14",
"2.20.1-0ubuntu2.15",
"2.20.1-0ubuntu2.16",
"2.20.1-0ubuntu2.17",
"2.20.1-0ubuntu2.18",
"2.20.1-0ubuntu2.19",
"2.20.1-0ubuntu2.20",
"2.20.1-0ubuntu2.21",
"2.20.1-0ubuntu2.22",
"2.20.1-0ubuntu2.23",
"2.20.1-0ubuntu2.24",
"2.20.1-0ubuntu2.25",
"2.20.1-0ubuntu2.26",
"2.20.1-0ubuntu2.27",
"2.20.1-0ubuntu2.28",
"2.20.1-0ubuntu2.30"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "apport",
"binary_version": "2.20.9-0ubuntu7.24"
},
{
"binary_name": "apport-gtk",
"binary_version": "2.20.9-0ubuntu7.24"
},
{
"binary_name": "apport-kde",
"binary_version": "2.20.9-0ubuntu7.24"
},
{
"binary_name": "apport-noui",
"binary_version": "2.20.9-0ubuntu7.24"
},
{
"binary_name": "apport-retrace",
"binary_version": "2.20.9-0ubuntu7.24"
},
{
"binary_name": "apport-valgrind",
"binary_version": "2.20.9-0ubuntu7.24"
},
{
"binary_name": "dh-apport",
"binary_version": "2.20.9-0ubuntu7.24"
},
{
"binary_name": "python-apport",
"binary_version": "2.20.9-0ubuntu7.24"
},
{
"binary_name": "python-problem-report",
"binary_version": "2.20.9-0ubuntu7.24"
},
{
"binary_name": "python3-apport",
"binary_version": "2.20.9-0ubuntu7.24"
},
{
"binary_name": "python3-problem-report",
"binary_version": "2.20.9-0ubuntu7.24"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "apport",
"purl": "pkg:deb/ubuntu/apport@2.20.9-0ubuntu7.24?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.20.9-0ubuntu7.24"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.20.7-0ubuntu3",
"2.20.7-0ubuntu3.1",
"2.20.7-0ubuntu4",
"2.20.8-0ubuntu1",
"2.20.8-0ubuntu2",
"2.20.8-0ubuntu3",
"2.20.8-0ubuntu4",
"2.20.8-0ubuntu5",
"2.20.8-0ubuntu6",
"2.20.8-0ubuntu7",
"2.20.8-0ubuntu8",
"2.20.8-0ubuntu9",
"2.20.8-0ubuntu10",
"2.20.9-0ubuntu1",
"2.20.9-0ubuntu2",
"2.20.9-0ubuntu4",
"2.20.9-0ubuntu5",
"2.20.9-0ubuntu6",
"2.20.9-0ubuntu7",
"2.20.9-0ubuntu7.1",
"2.20.9-0ubuntu7.2",
"2.20.9-0ubuntu7.3",
"2.20.9-0ubuntu7.4",
"2.20.9-0ubuntu7.5",
"2.20.9-0ubuntu7.6",
"2.20.9-0ubuntu7.7",
"2.20.9-0ubuntu7.8",
"2.20.9-0ubuntu7.9",
"2.20.9-0ubuntu7.11",
"2.20.9-0ubuntu7.12",
"2.20.9-0ubuntu7.13",
"2.20.9-0ubuntu7.14",
"2.20.9-0ubuntu7.15",
"2.20.9-0ubuntu7.16",
"2.20.9-0ubuntu7.17",
"2.20.9-0ubuntu7.18",
"2.20.9-0ubuntu7.19",
"2.20.9-0ubuntu7.20",
"2.20.9-0ubuntu7.21",
"2.20.9-0ubuntu7.23"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "apport",
"binary_version": "2.20.11-0ubuntu27.18"
},
{
"binary_name": "apport-gtk",
"binary_version": "2.20.11-0ubuntu27.18"
},
{
"binary_name": "apport-kde",
"binary_version": "2.20.11-0ubuntu27.18"
},
{
"binary_name": "apport-noui",
"binary_version": "2.20.11-0ubuntu27.18"
},
{
"binary_name": "apport-retrace",
"binary_version": "2.20.11-0ubuntu27.18"
},
{
"binary_name": "apport-valgrind",
"binary_version": "2.20.11-0ubuntu27.18"
},
{
"binary_name": "dh-apport",
"binary_version": "2.20.11-0ubuntu27.18"
},
{
"binary_name": "python3-apport",
"binary_version": "2.20.11-0ubuntu27.18"
},
{
"binary_name": "python3-problem-report",
"binary_version": "2.20.11-0ubuntu27.18"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "apport",
"purl": "pkg:deb/ubuntu/apport@2.20.11-0ubuntu27.18?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.20.11-0ubuntu27.18"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.20.11-0ubuntu8",
"2.20.11-0ubuntu9",
"2.20.11-0ubuntu13",
"2.20.11-0ubuntu14",
"2.20.11-0ubuntu15",
"2.20.11-0ubuntu16",
"2.20.11-0ubuntu17",
"2.20.11-0ubuntu18",
"2.20.11-0ubuntu19",
"2.20.11-0ubuntu20",
"2.20.11-0ubuntu21",
"2.20.11-0ubuntu22",
"2.20.11-0ubuntu24",
"2.20.11-0ubuntu25",
"2.20.11-0ubuntu26",
"2.20.11-0ubuntu27",
"2.20.11-0ubuntu27.2",
"2.20.11-0ubuntu27.3",
"2.20.11-0ubuntu27.4",
"2.20.11-0ubuntu27.6",
"2.20.11-0ubuntu27.8",
"2.20.11-0ubuntu27.9",
"2.20.11-0ubuntu27.10",
"2.20.11-0ubuntu27.11",
"2.20.11-0ubuntu27.12",
"2.20.11-0ubuntu27.13",
"2.20.11-0ubuntu27.14",
"2.20.11-0ubuntu27.16",
"2.20.11-0ubuntu27.17"
]
}
],
"aliases": [],
"details": "It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-lts package apport hooks, it could expose private data to other local users.",
"id": "UBUNTU-CVE-2021-32547",
"modified": "2025-07-16T04:57:17Z",
"published": "2021-05-25T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-32547"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4965-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4965-2"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-32547"
}
],
"related": [
"USN-4965-1",
"USN-4965-2"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2021-32547"
]
}
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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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