CVE-2023-5732 (GCVE-0-2023-5732)
Vulnerability from cvelistv5 – Published: 2023-10-24 12:47 – Updated: 2025-12-18 15:23
VLAI
EPSS
VEX
Title
Address bar spoofing via bidirectional characters
Summary
An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-11 18:24 UTC
Assigner
References
9 references
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Mozilla | Firefox |
Affected:
unspecified , < 117
(custom)
|
guessed | |
| Mozilla | Firefox ESR |
Affected:
unspecified , < 115.4
(custom)
|
guessed | |
| Mozilla | Thunderbird |
Affected:
unspecified , < 115.4.1
(custom)
|
guessed |
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"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1690979\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1836962\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2023-34/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2023-46/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2023-47/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.debian.org/security/2023/dsa-5535\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/10/msg00037.html\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.debian.org/security/2023/dsa-5538\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/10/msg00042.html\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T08:07:32.636Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-5732\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-11T18:24:34.128458Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T18:24:41.661Z\"}}], \"cna\": {\"credits\": [{\"lang\": \"en\", \"value\": \"Armin Ebert\"}], \"affected\": [{\"vendor\": \"Mozilla\", \"product\": \"Firefox\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"117\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Mozilla\", \"product\": \"Firefox ESR\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"115.4\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Mozilla\", \"product\": \"Thunderbird\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"115.4.1\", \"versionType\": \"custom\"}]}], \"references\": [{\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1690979\"}, {\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1836962\"}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2023-34/\"}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2023-46/\"}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2023-47/\"}, {\"url\": \"https://www.debian.org/security/2023/dsa-5535\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/10/msg00037.html\"}, {\"url\": \"https://www.debian.org/security/2023/dsa-5538\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/10/msg00042.html\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox \u003c 117, Firefox ESR \u003c 115.4, and Thunderbird \u003c 115.4.1.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox \u003c 117, Firefox ESR \u003c 115.4, and Thunderbird \u003c 115.4.1.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Address bar spoofing via bidirectional characters\"}]}], \"providerMetadata\": {\"orgId\": \"f16b083a-5664-49f3-a51e-8d479e5ed7fe\", \"shortName\": \"mozilla\", \"dateUpdated\": \"2023-10-29T10:06:16.611Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-5732\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-13T17:25:49.005Z\", \"dateReserved\": \"2023-10-23T17:22:07.478Z\", \"assignerOrgId\": \"f16b083a-5664-49f3-a51e-8d479e5ed7fe\", \"datePublished\": \"2023-10-24T12:47:17.600Z\", \"assignerShortName\": \"mozilla\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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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