CVE-2020-24331 (GCVE-0-2020-24331)
Vulnerability from cvelistv5 – Published: 2020-08-13 16:19 – Updated: 2024-08-04 15:12
VLAI
EPSS
VEX
Summary
An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the tss user still has read and write access to the /etc/tcsd.conf file (which contains various settings related to this daemon).
Severity
7.8 (High)
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://sourceforge.net/p/trousers/mailman/messag… | x_refsource_MISC |
| https://bugzilla.suse.com/show_bug.cgi?id=1164472 | x_refsource_MISC |
| https://seclists.org/oss-sec/2020/q2/att-135/tcsd… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2020/08/14/1 | mailing-listx_refsource_MLIST |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T15:12:08.812Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://sourceforge.net/p/trousers/mailman/message/37015817/"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://bugzilla.suse.com/show_bug.cgi?id=1164472"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch"
},
{
"name": "[oss-security] 20200814 Re: [TrouSerS-tech] Multiple Security Issues in the TrouSerS tpm1.2 tscd Daemon",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2020/08/14/1"
},
{
"name": "FEDORA-2020-ab3dace708",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the tss user still has read and write access to the /etc/tcsd.conf file (which contains various settings related to this daemon)."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2020-11-05T03:06:12.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://sourceforge.net/p/trousers/mailman/message/37015817/"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://bugzilla.suse.com/show_bug.cgi?id=1164472"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch"
},
{
"name": "[oss-security] 20200814 Re: [TrouSerS-tech] Multiple Security Issues in the TrouSerS tpm1.2 tscd Daemon",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2020/08/14/1"
},
{
"name": "FEDORA-2020-ab3dace708",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2020-24331",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the tss user still has read and write access to the /etc/tcsd.conf file (which contains various settings related to this daemon)."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://sourceforge.net/p/trousers/mailman/message/37015817/",
"refsource": "MISC",
"url": "https://sourceforge.net/p/trousers/mailman/message/37015817/"
},
{
"name": "https://bugzilla.suse.com/show_bug.cgi?id=1164472",
"refsource": "MISC",
"url": "https://bugzilla.suse.com/show_bug.cgi?id=1164472"
},
{
"name": "https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch",
"refsource": "MISC",
"url": "https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch"
},
{
"name": "[oss-security] 20200814 Re: [TrouSerS-tech] Multiple Security Issues in the TrouSerS tpm1.2 tscd Daemon",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2020/08/14/1"
},
{
"name": "FEDORA-2020-ab3dace708",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2020-24331",
"datePublished": "2020-08-13T16:19:02.000Z",
"dateReserved": "2020-08-13T00:00:00.000Z",
"dateUpdated": "2024-08-04T15:12:08.812Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2020-24331",
"date": "2026-09-18",
"epss": "0.00486",
"percentile": "0.40931"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:trousers_project:trousers:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3A5BDD77-67C8-464C-B0A8-3A8533BA497C",
"versionEndIncluding": "0.3.14",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
"matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the tss user still has read and write access to the /etc/tcsd.conf file (which contains various settings related to this daemon)."
},
{
"lang": "es",
"value": "Se detect\u00f3 un problema en TrouSerS versiones hasta 0.3.14. Si el demonio tcsd es iniciado con privilegios root, el usuario tss a\u00fan tiene acceso de lectura y escritura al archivo /etc/tcsd.conf (que contiene varias configuraciones relacionadas con este demonio)"
}
],
"id": "CVE-2020-24331",
"lastModified": "2024-11-21T05:14:36.133",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-08-13T17:15:13.533",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/08/14/1"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.suse.com/show_bug.cgi?id=1164472"
},
{
"source": "cve@mitre.org",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "https://sourceforge.net/p/trousers/mailman/message/37015817/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/08/14/1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.suse.com/show_bug.cgi?id=1164472"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "https://sourceforge.net/p/trousers/mailman/message/37015817/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-269"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"microsoft_vex": {
"current_release_date": "2021-12-16T00:00:00.000Z",
"cve": "CVE-2020-24331",
"id": "msrc_CVE-2020-24331",
"initial_release_date": "2020-08-02T00:00:00.000Z",
"product_status:fixed": "2",
"product_status:known_affected": "2",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges the tss user still has read and write access to the /etc/tcsd.conf file (which contains various settings related to this daemon).",
"url": "https://msrc.microsoft.com/csaf/vex/2020/msrc_cve-2020-24331.json",
"version": "2"
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:trousers_project:trousers:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3A5BDD77-67C8-464C-B0A8-3A8533BA497C",
"versionEndIncluding": "0.3.14",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
"matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the tss user still has read and write access to the /etc/tcsd.conf file (which contains various settings related to this daemon)."
},
{
"lang": "es",
"value": "Se detect\u00f3 un problema en TrouSerS versiones hasta 0.3.14. Si el demonio tcsd es iniciado con privilegios root, el usuario tss a\u00fan tiene acceso de lectura y escritura al archivo /etc/tcsd.conf (que contiene varias configuraciones relacionadas con este demonio)"
}
],
"id": "CVE-2020-24331",
"lastModified": "2024-11-21T05:14:36.133",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-08-13T17:15:13.533",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/08/14/1"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.suse.com/show_bug.cgi?id=1164472"
},
{
"source": "cve@mitre.org",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "https://sourceforge.net/p/trousers/mailman/message/37015817/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/08/14/1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.suse.com/show_bug.cgi?id=1164472"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "https://sourceforge.net/p/trousers/mailman/message/37015817/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-269"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-01-13T21:43:44+00:00",
"cve": "CVE-2020-24331",
"id": "CVE-2020-24331",
"initial_release_date": "2020-08-13T00:00:00+00:00",
"product_status:fixed": "60",
"product_status:known_affected": "8",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "trousers: tss user still has read and write access to the /etc/tcsd.conf file if tcsd is started as root",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-24331.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-03T00:51:22Z",
"cve": "CVE-2020-24331",
"id": "CVE-2020-24331",
"initial_release_date": "2023-02-15T03:54:35Z",
"product_status:known_affected": "7",
"product_status:known_not_affected": "24",
"product_status:recommended": "83",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2020-24331",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-24331.json",
"version": "26"
}
}
}
Loading…
Loading…
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.
Loading…
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.
Loading…
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.
Loading…