WID-SEC-W-2023-2605
Vulnerability from csaf_certbund - Published: 2023-10-10 22:00 - Updated: 2023-11-09 23:00Es besteht eine Schwachstelle in Citrix Systems ADC und Citrix Systems Citrix Gateway. Dieser Fehler besteht aufgrund einer unzulässigen Einschränkung von Operationen innerhalb der Grenzen eines Speicherpuffers. Ein entfernter Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen.
Es besteht eine Schwachstelle in Citrix Systems ADC und Citrix Systems Citrix Gateway. Dieser Fehler besteht aufgrund einer unzulässigen Einschränkung von Operationen innerhalb der Grenzen eines Speicherpuffers. Ein entfernter Angreifer kann diese Schwachstelle ausnutzen, um vertrauliche Informationen offenzulegen.
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Citrix Application Delivery Controller (ADC) ist eine L\u00f6sung zur Anwendungsbereitstellung und Lastverteilung.\r\nCitrix Gateway ist eine vom Kunden verwaltete L\u00f6sung, die vor Ort oder in jeder \u00f6ffentlichen Cloud, wie z.B. AWS, Azure oder Google Cloud Platform, eingesetzt werden kann. Citrix Gateway bietet Anwendern sicheren Zugriff und Single Sign-On f\u00fcr alle virtuellen, SaaS- und Web-Anwendungen.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter anonymer Angreifer kann mehrere Schwachstellen in Citrix Systems ADC und Citrix Systems Citrix Gateway ausnutzen, um Informationen offenzulegen oder einen Denial-of-Service-Zustand auszul\u00f6sen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- UNIX\n- Linux",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2023-2605 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2605.json"
},
{
"category": "self",
"summary": "WID-SEC-2023-2605 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2605"
},
{
"category": "external",
"summary": "Mandiant Blog vom 2023-10-17",
"url": "https://www.mandiant.com/resources/blog/remediation-netscaler-adc-gateway-cve-2023-4966"
},
{
"category": "external",
"summary": "Citrix Security Bulletin CTX579459 vom 2023-10-10",
"url": "https://support.citrix.com/article/CTX579459"
}
],
"source_lang": "en-US",
"title": "Citrix Systems ADC: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2023-11-09T23:00:00.000+00:00",
"generator": {
"date": "2024-08-15T17:59:38.823+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.5"
}
},
"id": "WID-SEC-W-2023-2605",
"initial_release_date": "2023-10-10T22:00:00.000+00:00",
"revision_history": [
{
"date": "2023-10-10T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2023-10-17T22:00:00.000+00:00",
"number": "2",
"summary": "Aktive Ausnutzung gemeldet"
},
{
"date": "2023-11-09T23:00:00.000+00:00",
"number": "3",
"summary": "Schwachstellenbezeichnung \"CitrixBleed\" f\u00fcr CVE-2023-4966 aufgenommen"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Citrix Systems ADC \u003c 14.1-8.50",
"product": {
"name": "Citrix Systems ADC \u003c 14.1-8.50",
"product_id": "T030404",
"product_identification_helper": {
"cpe": "cpe:/o:citrix:application_delivery_controller_firmware:14.1-8.50"
}
}
},
{
"category": "product_name",
"name": "Citrix Systems ADC \u003c 13.0-92.19",
"product": {
"name": "Citrix Systems ADC \u003c 13.0-92.19",
"product_id": "T030409",
"product_identification_helper": {
"cpe": "cpe:/o:citrix:application_delivery_controller_firmware:13.0-92.19"
}
}
},
{
"category": "product_name",
"name": "Citrix Systems ADC \u003c 13.1-49.15",
"product": {
"name": "Citrix Systems ADC \u003c 13.1-49.15",
"product_id": "T030410",
"product_identification_helper": {
"cpe": "cpe:/o:citrix:application_delivery_controller_firmware:13.1-49.15"
}
}
},
{
"category": "product_name",
"name": "Citrix Systems ADC \u003c 13.1-FIPS 13.1-37.164",
"product": {
"name": "Citrix Systems ADC \u003c 13.1-FIPS 13.1-37.164",
"product_id": "T030411",
"product_identification_helper": {
"cpe": "cpe:/o:citrix:application_delivery_controller_firmware:13.1-fips_13.1-37.164"
}
}
},
{
"category": "product_name",
"name": "Citrix Systems ADC \u003c 12.1-FIPS 12.1-55.300",
"product": {
"name": "Citrix Systems ADC \u003c 12.1-FIPS 12.1-55.300",
"product_id": "T030412",
"product_identification_helper": {
"cpe": "cpe:/o:citrix:application_delivery_controller_firmware:12.1-fips_12.1-55.300"
}
}
},
{
"category": "product_name",
"name": "Citrix Systems ADC \u003c 12.1-NDcPP 12.1-55.300",
"product": {
"name": "Citrix Systems ADC \u003c 12.1-NDcPP 12.1-55.300",
"product_id": "T030413",
"product_identification_helper": {
"cpe": "cpe:/o:citrix:application_delivery_controller_firmware:12.1-ndcpp_12.1-55.300"
}
}
}
],
"category": "product_name",
"name": "ADC"
},
{
"branches": [
{
"category": "product_name",
"name": "Citrix Systems Citrix Gateway \u003c 14.1-8.50",
"product": {
"name": "Citrix Systems Citrix Gateway \u003c 14.1-8.50",
"product_id": "T030414",
"product_identification_helper": {
"cpe": "cpe:/h:citrix:gateway:14.1-8.50"
}
}
},
{
"category": "product_name",
"name": "Citrix Systems Citrix Gateway \u003c 13.1-49.15",
"product": {
"name": "Citrix Systems Citrix Gateway \u003c 13.1-49.15",
"product_id": "T030415",
"product_identification_helper": {
"cpe": "cpe:/h:citrix:gateway:13.1-49.15"
}
}
},
{
"category": "product_name",
"name": "Citrix Systems Citrix Gateway \u003c 13.0-92.19",
"product": {
"name": "Citrix Systems Citrix Gateway \u003c 13.0-92.19",
"product_id": "T030416",
"product_identification_helper": {
"cpe": "cpe:/h:citrix:gateway:13.0-92.19"
}
}
}
],
"category": "product_name",
"name": "Citrix Gateway"
}
],
"category": "vendor",
"name": "Citrix Systems"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-4967",
"notes": [
{
"category": "description",
"text": "Es besteht eine Schwachstelle in Citrix Systems ADC und Citrix Systems Citrix Gateway. Dieser Fehler besteht aufgrund einer unzul\u00e4ssigen Einschr\u00e4nkung von Operationen innerhalb der Grenzen eines Speicherpuffers. Ein entfernter Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
}
],
"release_date": "2023-10-10T22:00:00.000+00:00",
"title": "CVE-2023-4967"
},
{
"cve": "CVE-2023-4966",
"notes": [
{
"category": "description",
"text": "Es besteht eine Schwachstelle in Citrix Systems ADC und Citrix Systems Citrix Gateway. Dieser Fehler besteht aufgrund einer unzul\u00e4ssigen Einschr\u00e4nkung von Operationen innerhalb der Grenzen eines Speicherpuffers. Ein entfernter Angreifer kann diese Schwachstelle ausnutzen, um vertrauliche Informationen offenzulegen."
}
],
"release_date": "2023-10-10T22:00:00.000+00:00",
"title": "CVE-2023-4966"
}
]
}
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.
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.
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.