GSD-2022-42705
Vulnerability from gsd - Updated: 2023-12-13 01:19Details
A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a remote authenticated attacker to crash Asterisk (denial of service) by performing activity on a subscription via a reliable transport at the same time that Asterisk is also performing activity on that subscription.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-42705",
"description": "A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a remote authenticated attacker to crash Asterisk (denial of service) by performing activity on a subscription via a reliable transport at the same time that Asterisk is also performing activity on that subscription.",
"id": "GSD-2022-42705",
"references": [
"https://www.debian.org/security/2023/dsa-5358"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2022-42705"
],
"details": "A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a remote authenticated attacker to crash Asterisk (denial of service) by performing activity on a subscription via a reliable transport at the same time that Asterisk is also performing activity on that subscription.",
"id": "GSD-2022-42705",
"modified": "2023-12-13T01:19:10.467351Z",
"schema_version": "1.4.0"
}
},
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"affects": {
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}
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"name": "https://downloads.asterisk.org/pub/security/AST-2022-008.html",
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"url": "https://downloads.asterisk.org/pub/security/AST-2022-008.html"
},
{
"name": "[debian-lts-announce] 20230222 [SECURITY] [DLA 3335-1] asterisk security update",
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"url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html"
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}
]
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"vulnerable": true
},
{
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}
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"references": {
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{
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"tags": [
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"url": "https://downloads.asterisk.org/pub/security/AST-2022-008.html"
},
{
"name": "[debian-lts-announce] 20230222 [SECURITY] [DLA 3335-1] asterisk security update",
"refsource": "MLIST",
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},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2023-02-24T00:15Z",
"publishedDate": "2022-12-05T21:15Z"
}
}
}
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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
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Nomenclature
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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
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