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WID-SEC-W-2024-0421
Vulnerability from csaf_certbund - Published: 2024-02-19 23:00 - Updated: 2024-02-19 23:00Summary
Zyxel Firewall: Mehrere Schwachstellen
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Zyxel ist ein Hersteller von Netzwerkkomponenten, u.a. von Firewalls.
Angriff
Ein entfernter Angreifer kann mehrere Schwachstellen in Zyxel Firewall ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen oder beliebigen Code auszuführen.
Betroffene Betriebssysteme
- BIOS/Firmware
{
"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": "Zyxel ist ein Hersteller von Netzwerkkomponenten, u.a. von Firewalls.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter Angreifer kann mehrere Schwachstellen in Zyxel Firewall ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen oder beliebigen Code auszuf\u00fchren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- BIOS/Firmware",
"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-2024-0421 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0421.json"
},
{
"category": "self",
"summary": "WID-SEC-2024-0421 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0421"
},
{
"category": "external",
"summary": "Zyxel security advisory vom 2024-02-19",
"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024"
},
{
"category": "external",
"summary": "GitHub Advisory Database vom 2024-02-19",
"url": "https://github.com/advisories/GHSA-6mfv-h538-gwvr"
},
{
"category": "external",
"summary": "GitHub Advisory Database vom 2024-02-19",
"url": "https://github.com/advisories/GHSA-83ff-cpf7-ghwf"
},
{
"category": "external",
"summary": "GitHub Advisory Database vom 2024-02-19",
"url": "https://github.com/advisories/GHSA-p6jh-65c7-8r26"
},
{
"category": "external",
"summary": "GitHub Advisory Database vom 2024-02-19",
"url": "https://github.com/advisories/GHSA-wj52-rfj4-xjcm"
}
],
"source_lang": "en-US",
"title": "Zyxel Firewall: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2024-02-19T23:00:00.000+00:00",
"generator": {
"date": "2024-08-15T18:05:24.634+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.5"
}
},
"id": "WID-SEC-W-2024-0421",
"initial_release_date": "2024-02-19T23:00:00.000+00:00",
"revision_history": [
{
"date": "2024-02-19T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c ZLD V5.37 Patch 2",
"product": {
"name": "Zyxel Firewall \u003c ZLD V5.37 Patch 2",
"product_id": "T032895"
}
}
],
"category": "product_name",
"name": "Firewall"
}
],
"category": "vendor",
"name": "Zyxel"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-6399",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen in der Zyxel Firewall. Diese Fehler bestehen aufgrund eines Format-String- und eines Null-Pointer-Dereferenz-Problems. Durch das Herunterladen einer manipulierten RAR-Kompressionsdatei auf einen LAN-seitigen Host oder das Senden eines manipulierten Hostnamens kann ein anonymer Angreifer diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
}
],
"release_date": "2024-02-19T23:00:00.000+00:00",
"title": "CVE-2023-6399"
},
{
"cve": "CVE-2023-6397",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen in der Zyxel Firewall. Diese Fehler bestehen aufgrund eines Format-String- und eines Null-Pointer-Dereferenz-Problems. Durch das Herunterladen einer manipulierten RAR-Kompressionsdatei auf einen LAN-seitigen Host oder das Senden eines manipulierten Hostnamens kann ein anonymer Angreifer diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
}
],
"release_date": "2024-02-19T23:00:00.000+00:00",
"title": "CVE-2023-6397"
},
{
"cve": "CVE-2023-6398",
"notes": [
{
"category": "description",
"text": "Es besteht eine Schwachstelle in der Zyxel Firewall. Dieser Fehler besteht in der Dateiupload-Bin\u00e4rdatei aufgrund eines Problems bei der Befehlsinjektion nach der Authentifizierung. Ein entfernter, privilegierter Angreifer kann diese Schwachstelle ausnutzen, um Betriebssystembefehle auf einem betroffenen Ger\u00e4t \u00fcber FTP auszuf\u00fchren."
}
],
"release_date": "2024-02-19T23:00:00.000+00:00",
"title": "CVE-2023-6398"
},
{
"cve": "CVE-2023-6764",
"notes": [
{
"category": "description",
"text": "Es besteht eine Schwachstelle in der Zyxel Firewall. Dieser Fehler besteht aufgrund eines Format-String-Problems in der IPSec VPN-Funktion. Durch das Senden einer Sequenz speziell gestalteter Nutzdaten, die einen ung\u00fcltigen Zeiger enthalten, kann ein entfernter, anonymer Angreifer mit detaillierten Kenntnissen \u00fcber das Speicherlayout und die Konfiguration eines betroffenen Ger\u00e4ts diese Schwachstelle zur Ausf\u00fchrung von beliebigem Code ausnutzen."
}
],
"release_date": "2024-02-19T23:00:00.000+00:00",
"title": "CVE-2023-6764"
}
]
}
CVE-2023-6399 (GCVE-0-2023-6399)
Vulnerability from cvelistv5 – Published: 2024-02-20 01:42 – Updated: 2024-08-02 08:28
VLAI?
EPSS
Summary
A format string vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1, and USG FLEX H series firmware versions from 1.10 through 1.10 Patch 1 could allow an authenticated IPSec VPN user to cause DoS conditions against the “deviceid” daemon by sending a crafted hostname to an affected device if it has the “Device Insight” feature enabled.
Severity ?
5.7 (Medium)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
version 4.32 through 5.37 Patch 1
|
||||||||||||||||||||||
|
||||||||||||||||||||||||
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CVE-2023-6398 (GCVE-0-2023-6398)
Vulnerability from cvelistv5 – Published: 2024-02-20 01:34 – Updated: 2024-08-25 15:46
VLAI?
EPSS
Summary
A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1,
USG FLEX H series firmware versions from 1.10 through 1.10 Patch 1,
NWA50AX firmware versions through 6.29(ABYW.3), WAC500 firmware versions through 6.65(ABVS.1), WAX300H firmware versions through 6.60(ACHF.1), and WBE660S firmware versions through 6.65(ACGG.1) could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device via FTP.
Severity ?
7.2 (High)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
version 4.32 through 5.37 Patch 1
|
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
{
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"cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*"
],
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"product": "atp800_firmware",
"vendor": "zyxel",
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"version": "4.32",
"versionType": "custom"
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"cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_500w_firmware:*:*:*:*:*:*:*:*",
"cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "usg_flex_700_firmware",
"vendor": "zyxel",
"versions": [
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"lessThan": "5.37_patch1",
"status": "affected",
"version": "4.50",
"versionType": "custom"
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"product": "nwa50ax_firmware",
"vendor": "zyxel",
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"lessThan": "6.70\\(abvs.1\\)",
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]
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],
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"product": "usg_20w-vpn_firmware",
"vendor": "zyxel",
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"version": "4.16",
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"vendor": "Zyxel",
"versions": [
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}
]
},
{
"defaultStatus": "unaffected",
"product": "WAX300H firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c 6.70(ACHF.1)"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WBE660S firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
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}
]
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"vendor": "Zyxel",
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]
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CVE-2023-6397 (GCVE-0-2023-6397)
Vulnerability from cvelistv5 – Published: 2024-02-20 01:19 – Updated: 2024-08-02 08:28
VLAI?
EPSS
Summary
A null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial-of-service (DoS) conditions by downloading a crafted RAR compressed file onto a LAN-side host if the firewall has the “Anti-Malware” feature enabled.
Severity ?
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
version 4.32 through 5.37 Patch 1
|
|||||||
|
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CVE-2023-6764 (GCVE-0-2023-6764)
Vulnerability from cvelistv5 – Published: 2024-02-20 02:14 – Updated: 2024-08-02 08:42
VLAI?
EPSS
Summary
A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, and USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1 could allow an attacker to achieve unauthorized remote code execution by sending a sequence of specially crafted payloads containing an invalid pointer; however, such an attack would require detailed knowledge of an affected device’s memory layout and configuration.
Severity ?
8.1 (High)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
version 4.32 through 5.37 Patch 1
|
|||||||||||||||||
|
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Loading…
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Sightings
| Author | Source | Type | Date |
|---|
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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