wid-sec-w-2023-2474
Vulnerability from csaf_certbund
Published
2020-04-22 22:00
Modified
2023-09-27 22:00
Summary
Squid: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode
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
Squid ist ein Open-Source Web Proxy Cache für Unix und Windows Plattformen. Die Software unterstützt Proxying und Caching von HTTP, FTP und anderen Protokollen, sowie SSL und Access Control Lists.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Squid ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuführen oder Sicherheitsvorkehrungen zu umgehen.
Betroffene Betriebssysteme
- UNIX
- Linux
- Windows
{
"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": "Squid ist ein Open-Source Web Proxy Cache f\u00fcr Unix und Windows Plattformen. Die Software unterst\u00fctzt Proxying und Caching von HTTP, FTP und anderen Protokollen, sowie SSL und Access Control Lists.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Squid ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuf\u00fchren oder Sicherheitsvorkehrungen zu umgehen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- UNIX\n- Linux\n- Windows",
"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-2023-2474 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2023-2474.json"
},
{
"category": "self",
"summary": "WID-SEC-2023-2474 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2474"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALASSQUID4-2023-008 vom 2023-09-27",
"url": "https://alas.aws.amazon.com/AL2/ALASSQUID4-2023-008.html"
},
{
"category": "external",
"summary": "Squid Proxy Cache Security Update Advisory vom 2020-04-22",
"url": "http://www.squid-cache.org/Advisories/SQUID-2020_4.txt"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:1134-1 vom 2020-04-29",
"url": "https://www.suse.com/support/update/announcement/2020/suse-su-20201134-1.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:1156-1 vom 2020-04-30",
"url": "https://www.suse.com/support/update/announcement/2020/suse-su-20201156-1.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2020:2038 vom 2020-05-06",
"url": "https://access.redhat.com/errata/RHSA-2020:2038"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2020:2040 vom 2020-05-06",
"url": "https://access.redhat.com/errata/RHSA-2020:2040"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2020:2039 vom 2020-05-06",
"url": "https://access.redhat.com/errata/RHSA-2020:2039"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2020:2041 vom 2020-05-06",
"url": "https://access.redhat.com/errata/RHSA-2020:2041"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2020-2040 vom 2020-05-08",
"url": "https://oss.oracle.com/pipermail/el-errata/2020-May/009890.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-4682 vom 2020-05-09",
"url": "https://www.debian.org/security/2020/dsa-4682"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-4356-1 vom 2020-05-13",
"url": "https://usn.ubuntu.com/4356-1/"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2020-2041 vom 2020-05-13",
"url": "https://oss.oracle.com/pipermail/el-errata/2020-May/009910.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:1227-1 vom 2020-05-15",
"url": "https://www.suse.com/support/update/announcement/2020/suse-su-20201227-1.html"
},
{
"category": "external",
"summary": "CentOS Security Advisory CESA-2020:2040 vom 2020-05-21",
"url": "http://centos-announce.2309468.n4.nabble.com/CentOS-announce-CESA-2020-2040-Important-CentOS-7-squid-Security-Update-tp4645943.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-2278 vom 2020-07-11",
"url": "https://lists.debian.org/debian-lts-announce/2020/debian-lts-announce-202007/msg00009.html"
}
],
"source_lang": "en-US",
"title": "Squid: Schwachstelle erm\u00f6glicht Ausf\u00fchren von beliebigem Programmcode",
"tracking": {
"current_release_date": "2023-09-27T22:00:00.000+00:00",
"generator": {
"date": "2024-02-15T17:45:38.626+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.0"
}
},
"id": "WID-SEC-W-2023-2474",
"initial_release_date": "2020-04-22T22:00:00.000+00:00",
"revision_history": [
{
"date": "2020-04-22T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2020-04-29T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2020-05-03T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2020-05-06T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2020-05-07T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Oracle Linux und Fedora aufgenommen"
},
{
"date": "2020-05-10T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2020-05-13T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Ubuntu und Oracle Linux aufgenommen"
},
{
"date": "2020-05-14T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2020-05-21T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von CentOS aufgenommen"
},
{
"date": "2020-07-12T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2023-09-27T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von Amazon aufgenommen"
}
],
"status": "final",
"version": "11"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Amazon Linux 2",
"product": {
"name": "Amazon Linux 2",
"product_id": "398363",
"product_identification_helper": {
"cpe": "cpe:/o:amazon:linux_2:-"
}
}
}
],
"category": "vendor",
"name": "Amazon"
},
{
"branches": [
{
"category": "product_name",
"name": "Debian Linux",
"product": {
"name": "Debian Linux",
"product_id": "2951",
"product_identification_helper": {
"cpe": "cpe:/o:debian:debian_linux:-"
}
}
}
],
"category": "vendor",
"name": "Debian"
},
{
"branches": [
{
"category": "product_name",
"name": "Open Source CentOS",
"product": {
"name": "Open Source CentOS",
"product_id": "1727",
"product_identification_helper": {
"cpe": "cpe:/o:centos:centos:-"
}
}
},
{
"branches": [
{
"category": "product_name",
"name": "Open Source Squid \u003c 4.11",
"product": {
"name": "Open Source Squid \u003c 4.11",
"product_id": "T016364",
"product_identification_helper": {
"cpe": "cpe:/a:squid-cache:squid:4.11"
}
}
},
{
"category": "product_name",
"name": "Open Source Squid \u003c 5.0.2",
"product": {
"name": "Open Source Squid \u003c 5.0.2",
"product_id": "T016365",
"product_identification_helper": {
"cpe": "cpe:/a:squid-cache:squid:5.0.2"
}
}
}
],
"category": "product_name",
"name": "Squid"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Oracle Linux",
"product": {
"name": "Oracle Linux",
"product_id": "T004914",
"product_identification_helper": {
"cpe": "cpe:/o:oracle:linux:-"
}
}
}
],
"category": "vendor",
"name": "Oracle"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux",
"product": {
"name": "SUSE Linux",
"product_id": "T002207",
"product_identification_helper": {
"cpe": "cpe:/o:suse:suse_linux:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T000126",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Fedora",
"product": {
"name": "Red Hat Fedora",
"product_id": "T007849",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:fedora:-"
}
}
}
],
"category": "vendor",
"name": "redhat"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2020-11945",
"notes": [
{
"category": "description",
"text": "Es existiert eine Schwachstelle in Squid. Diese besteht in der HTTP Digest Authentication. Aufgrund eines Integer \u00dcberlaufs kann ein entfernter anonymer Angreifer \u00fcber HTTP Digest Authentication Token einen Credential Replay Angriff durchf\u00fchren oder beliebigen Code zur Ausf\u00fchrung bringen."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646",
"T000126",
"T007849",
"398363",
"1727",
"T004914"
]
},
"release_date": "2020-04-22T22:00:00Z",
"title": "CVE-2020-11945"
}
]
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.