CVE-2021-22173 (GCVE-0-2021-22173)
Vulnerability from cvelistv5 – Published: 2021-02-17 14:26 – Updated: 2024-08-03 18:37
VLAI
EPSS
VEX
Summary
Memory leak in USB HID dissector in Wireshark 3.4.0 to 3.4.2 allows denial of service via packet injection or crafted capture file
Severity
CWE
- Missing release of memory after effective lifetime in Wireshark
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://www.wireshark.org/security/wnpa-sec-2021-… | x_refsource_MISC |
| https://gitlab.com/wireshark/wireshark/-/issues/17124 | x_refsource_MISC |
| https://gitlab.com/gitlab-org/cves/-/blob/master/… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.oracle.com/security-alerts/cpuApr2021.html | x_refsource_MISC |
| https://security.gentoo.org/glsa/202107-21 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| The Wireshark Foundation | Wireshark |
Affected:
>=3.4.0, <3.4.3
|
guessed |
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"cve": "CVE-2021-22173",
"id": "CVE-2021-22173",
"initial_release_date": "2021-01-29T00:00:00+00:00",
"product_status:known_not_affected": "16",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "wireshark: USB HID dissector memory leak",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-22173.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-31T02:07:50Z",
"cve": "CVE-2021-22173",
"id": "CVE-2021-22173",
"initial_release_date": "2023-02-15T03:46:00Z",
"product_status:known_not_affected": "150",
"product_status:recommended": "640",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-22173",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-22173.json",
"version": "26"
}
}
}
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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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