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wid-sec-w-2025-1423
Vulnerability from csaf_certbund
Published
2025-06-29 22:00
Modified
2025-11-25 23:00
Summary
libssh: 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
libssh ist eine C Bibliothek für das Anbieten von SSH Diensten auf Client- und Serverseite. Sie kann genutzt werden, um aus der Ferne Programme auszuführen, Dateien zu übertragen oder als sicherer und transparenter Tunnel für entfernte Programme genutzt werden.
Angriff
Ein Angreifer kann mehrere Schwachstellen in libssh ausnutzen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, und potentiell weitere nicht spezifizierte Auswirkungen zu verursachen.
Betroffene Betriebssysteme
- Linux
- Sonstiges
- UNIX
- Windows
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"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": "libssh ist eine C Bibliothek f\u00fcr das Anbieten von SSH Diensten auf Client- und Serverseite. Sie kann genutzt werden, um aus der Ferne Programme auszuf\u00fchren, Dateien zu \u00fcbertragen oder als sicherer und transparenter Tunnel f\u00fcr entfernte Programme genutzt werden.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein Angreifer kann mehrere Schwachstellen in libssh ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren, um Sicherheitsvorkehrungen zu umgehen, und potentiell weitere nicht spezifizierte Auswirkungen zu verursachen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- Sonstiges\n- UNIX\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-2025-1423 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1423.json"
},
{
"category": "self",
"summary": "WID-SEC-2025-1423 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-1423"
},
{
"category": "external",
"summary": "libssh. org vom 2025-06-29",
"url": "https://www.libssh.org/2025/06/24/libssh-0-11-2-security-and-bugfix-release/"
},
{
"category": "external",
"summary": "libssh security and bugfix release vom 2025-06-29",
"url": "https://seclists.org/oss-sec/2025/q2/284"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:02229-1 vom 2025-07-04",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021759.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-7619-1 vom 2025-07-07",
"url": "https://ubuntu.com/security/notices/USN-7619-1"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:02281-1 vom 2025-07-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021789.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:02279-1 vom 2025-07-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021791.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:02278-1 vom 2025-07-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021792.html"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2025-18E8506D3A vom 2025-07-22",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2025-18e8506d3a"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:02755-1 vom 2025-08-12",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-August/022132.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-7696-1 vom 2025-08-19",
"url": "https://ubuntu.com/security/notices/USN-7696-1"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:20557-1 vom 2025-08-19",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-August/022231.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:20596-1 vom 2025-08-29",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-August/022366.html"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7246875 vom 2025-10-01",
"url": "https://www.ibm.com/support/pages/node/7246875"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:18231 vom 2025-10-16",
"url": "https://access.redhat.com/errata/RHSA-2025:18231"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2025-18275 vom 2025-10-17",
"url": "https://linux.oracle.com/errata/ELSA-2025-18275.html"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2025:18275 vom 2025-10-18",
"url": "https://errata.build.resf.org/RLSA-2025:18275"
},
{
"category": "external",
"summary": "RedHat Security Advisory",
"url": "https://access.redhat.com/errata/RHSA-2025:18286"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2025:18231 vom 2025-10-18",
"url": "https://errata.build.resf.org/RLSA-2025:18231"
},
{
"category": "external",
"summary": "Dell Security Advisory DSA-2025-404 vom 2025-10-31",
"url": "https://www.dell.com/support/kbdoc/000385435"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:19401 vom 2025-11-03",
"url": "https://access.redhat.com/errata/RHSA-2025:19401"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:19400 vom 2025-11-03",
"url": "https://access.redhat.com/errata/RHSA-2025:19400"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:19470 vom 2025-11-03",
"url": "https://access.redhat.com/errata/RHSA-2025:19470"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:19472 vom 2025-11-03",
"url": "https://access.redhat.com/errata/RHSA-2025:19472"
},
{
"category": "external",
"summary": "Dell Security Advisory DSA-2025-390 vom 2025-11-05",
"url": "https://www.dell.com/support/kbdoc/000385230"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:19300 vom 2025-11-05",
"url": "https://access.redhat.com/errata/RHSA-2025:19300"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:19313 vom 2025-11-05",
"url": "https://access.redhat.com/errata/RHSA-2025:19313"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:19807 vom 2025-11-08",
"url": "https://access.redhat.com/errata/RHSA-2025:19807"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:21013 vom 2025-11-11",
"url": "https://access.redhat.com/errata/RHSA-2025:21013"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:20943 vom 2025-11-11",
"url": "https://access.redhat.com/errata/RHSA-2025:20943"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:21977 vom 2025-11-24",
"url": "https://access.redhat.com/errata/RHSA-2025:21977"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2025:21977 vom 2025-11-25",
"url": "https://errata.build.resf.org/RLSA-2025:21977"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2025-21977 vom 2025-11-25",
"url": "https://linux.oracle.com/errata/ELSA-2025-21977.html"
}
],
"source_lang": "en-US",
"title": "libssh: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2025-11-25T23:00:00.000+00:00",
"generator": {
"date": "2025-11-26T07:47:10.438+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.5.0"
}
},
"id": "WID-SEC-W-2025-1423",
"initial_release_date": "2025-06-29T22:00:00.000+00:00",
"revision_history": [
{
"date": "2025-06-29T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2025-07-06T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2025-07-07T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2025-07-10T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2025-07-21T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Fedora aufgenommen"
},
{
"date": "2025-07-22T22:00:00.000+00:00",
"number": "6",
"summary": "Referenz(en) aufgenommen: EUVD-2025-22335"
},
{
"date": "2025-08-11T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2025-08-19T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Ubuntu und SUSE aufgenommen"
},
{
"date": "2025-08-31T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2025-10-01T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2025-10-15T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2025-10-16T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2025-10-19T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Rocky Enterprise Software Foundation und Red Hat aufgenommen"
},
{
"date": "2025-10-30T23:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von Dell aufgenommen"
},
{
"date": "2025-11-02T23:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2025-11-04T23:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von Dell aufgenommen"
},
{
"date": "2025-11-05T23:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2025-11-09T23:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2025-11-11T23:00:00.000+00:00",
"number": "19",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2025-11-24T23:00:00.000+00:00",
"number": "20",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2025-11-25T23:00:00.000+00:00",
"number": "21",
"summary": "doppelter Eintrag entfernt"
}
],
"status": "final",
"version": "21"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Dell Avamar",
"product": {
"name": "Dell Avamar",
"product_id": "T039664",
"product_identification_helper": {
"cpe": "cpe:/a:dell:avamar:-"
}
}
},
{
"branches": [
{
"category": "product_version",
"name": "Virtual Edition",
"product": {
"name": "Dell NetWorker Virtual Edition",
"product_id": "T048226",
"product_identification_helper": {
"cpe": "cpe:/a:dell:networker:virtual_edition"
}
}
}
],
"category": "product_name",
"name": "NetWorker"
},
{
"branches": [
{
"category": "product_version_range",
"name": "Appliance \u003c5.32.00.18",
"product": {
"name": "Dell Secure Connect Gateway Appliance \u003c5.32.00.18",
"product_id": "T048301"
}
},
{
"category": "product_version",
"name": "Appliance 5.32.00.18",
"product": {
"name": "Dell Secure Connect Gateway Appliance 5.32.00.18",
"product_id": "T048301-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:dell:secure_connect_gateway:appliance__5.32.00.18"
}
}
}
],
"category": "product_name",
"name": "Secure Connect Gateway"
}
],
"category": "vendor",
"name": "Dell"
},
{
"branches": [
{
"category": "product_name",
"name": "Fedora Linux",
"product": {
"name": "Fedora Linux",
"product_id": "74185",
"product_identification_helper": {
"cpe": "cpe:/o:fedoraproject:fedora:-"
}
}
}
],
"category": "vendor",
"name": "Fedora"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c12.16.0",
"product": {
"name": "IBM App Connect Enterprise \u003c12.16.0",
"product_id": "T047348"
}
},
{
"category": "product_version",
"name": "12.16.0",
"product": {
"name": "IBM App Connect Enterprise 12.16.0",
"product_id": "T047348-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:app_connect_enterprise:12.16.0"
}
}
},
{
"category": "product_version_range",
"name": "\u003c12.0.16",
"product": {
"name": "IBM App Connect Enterprise \u003c12.0.16",
"product_id": "T047349"
}
},
{
"category": "product_version",
"name": "12.0.16",
"product": {
"name": "IBM App Connect Enterprise 12.0.16",
"product_id": "T047349-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:app_connect_enterprise:12.0.16"
}
}
}
],
"category": "product_name",
"name": "App Connect Enterprise"
}
],
"category": "vendor",
"name": "IBM"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c0.11.2",
"product": {
"name": "Open Source libssh \u003c0.11.2",
"product_id": "T044955"
}
},
{
"category": "product_version",
"name": "0.11.2",
"product": {
"name": "Open Source libssh 0.11.2",
"product_id": "T044955-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:libssh:libssh:0.11.2"
}
}
}
],
"category": "product_name",
"name": "libssh"
}
],
"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": "RESF Rocky Linux",
"product": {
"name": "RESF Rocky Linux",
"product_id": "T032255",
"product_identification_helper": {
"cpe": "cpe:/o:resf:rocky_linux:-"
}
}
}
],
"category": "vendor",
"name": "RESF"
},
{
"branches": [
{
"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": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "T037727",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:8"
}
}
}
],
"category": "product_name",
"name": "Enterprise Linux"
},
{
"branches": [
{
"category": "product_version_range",
"name": "Container Platform \u003c4.17.43",
"product": {
"name": "Red Hat OpenShift Container Platform \u003c4.17.43",
"product_id": "T048318"
}
},
{
"category": "product_version",
"name": "Container Platform 4.17.43",
"product": {
"name": "Red Hat OpenShift Container Platform 4.17.43",
"product_id": "T048318-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:openshift:container_platform__4.17.43"
}
}
}
],
"category": "product_name",
"name": "OpenShift"
}
],
"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"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2025-4877",
"product_status": {
"known_affected": [
"T037727",
"67646",
"T004914",
"T032255",
"74185",
"T039664",
"T048318",
"T047348",
"T047349",
"T002207",
"T044955",
"T000126",
"T048226",
"T048301"
]
},
"release_date": "2025-06-29T22:00:00.000+00:00",
"title": "CVE-2025-4877"
},
{
"cve": "CVE-2025-5351",
"product_status": {
"known_affected": [
"T037727",
"67646",
"T004914",
"T032255",
"74185",
"T039664",
"T048318",
"T047348",
"T047349",
"T002207",
"T044955",
"T000126",
"T048226",
"T048301"
]
},
"release_date": "2025-06-29T22:00:00.000+00:00",
"title": "CVE-2025-5351"
},
{
"cve": "CVE-2025-5449",
"product_status": {
"known_affected": [
"T037727",
"67646",
"T004914",
"T032255",
"74185",
"T039664",
"T048318",
"T047348",
"T047349",
"T002207",
"T044955",
"T000126",
"T048226",
"T048301"
]
},
"release_date": "2025-06-29T22:00:00.000+00:00",
"title": "CVE-2025-5449"
},
{
"cve": "CVE-2025-4878",
"product_status": {
"known_affected": [
"T037727",
"67646",
"T004914",
"T032255",
"74185",
"T039664",
"T048318",
"T047348",
"T047349",
"T002207",
"T044955",
"T000126",
"T048226",
"T048301"
]
},
"release_date": "2025-06-29T22:00:00.000+00:00",
"title": "CVE-2025-4878"
},
{
"cve": "CVE-2025-5318",
"product_status": {
"known_affected": [
"T037727",
"67646",
"T004914",
"T032255",
"74185",
"T039664",
"T048318",
"T047348",
"T047349",
"T002207",
"T044955",
"T000126",
"T048226",
"T048301"
]
},
"release_date": "2025-06-29T22:00:00.000+00:00",
"title": "CVE-2025-5318"
},
{
"cve": "CVE-2025-5372",
"product_status": {
"known_affected": [
"T037727",
"67646",
"T004914",
"T032255",
"74185",
"T039664",
"T048318",
"T047348",
"T047349",
"T002207",
"T044955",
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CVE-2025-4877 (GCVE-0-2025-4877)
Vulnerability from cvelistv5
Published
2025-08-20 12:19
Modified
2025-11-20 21:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-787 - Out-of-bounds Write
Summary
There's a vulnerability in the libssh package where when a libssh consumer passes in an unexpectedly large input buffer to ssh_get_fingerprint_hash() function. In such cases the bin_to_base64() function can experience an integer overflow leading to a memory under allocation, when that happens it's possible that the program perform out of bounds write leading to a heap corruption.
This issue affects only 32-bits builds of libssh.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Version: 0 ≤ |
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CVE-2025-5987 (GCVE-0-2025-5987)
Vulnerability from cvelistv5
Published
2025-07-07 14:24
Modified
2025-11-21 11:29
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-393 - Return of Wrong Status Code
Summary
A flaw was found in libssh when using the ChaCha20 cipher with the OpenSSL library. If an attacker manages to exhaust the heap space, this error is not detected and may lead to libssh using a partially initialized cipher context. This occurs because the OpenSSL error code returned aliases with the SSH_OK code, resulting in libssh not properly detecting the error returned by the OpenSSL library. This issue can lead to undefined behavior, including compromised data confidentiality and integrity or crashes.
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|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-5351 (GCVE-0-2025-5351)
Vulnerability from cvelistv5
Published
2025-07-04 08:16
Modified
2025-11-20 21:12
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-415 - Double Free
Summary
A flaw was found in the key export functionality of libssh. The issue occurs in the internal function responsible for converting cryptographic keys into serialized formats. During error handling, a memory structure is freed but not cleared, leading to a potential double free issue if an additional failure occurs later in the function. This condition may result in heap corruption or application instability in low-memory scenarios, posing a risk to system reliability where key export operations are performed.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
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CVE-2025-5372 (GCVE-0-2025-5372)
Vulnerability from cvelistv5
Published
2025-07-04 06:01
Modified
2025-11-24 21:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-682 - Incorrect Calculation
Summary
A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the ssh_kdf() function responsible for key derivation. Due to inconsistent interpretation of return values where OpenSSL uses 0 to indicate failure and libssh uses 0 for success—the function may mistakenly return a success status even when key derivation fails. This results in uninitialized cryptographic key buffers being used in subsequent communication, potentially compromising SSH sessions' confidentiality, integrity, and availability.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected: 0:0.9.6-16.el8_10 < * cpe:/o:redhat:enterprise_linux:8::baseos cpe:/a:redhat:enterprise_linux:8::appstream |
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CVE-2025-4878 (GCVE-0-2025-4878)
Vulnerability from cvelistv5
Published
2025-07-22 14:17
Modified
2025-11-21 07:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A vulnerability was found in libssh, where an uninitialized variable exists under certain conditions in the privatekey_from_file() function. This flaw can be triggered if the file specified by the filename doesn't exist and may lead to possible signing failures or heap corruption.
References
| URL | Tags | |
|---|---|---|
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|
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Impacted products
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Version: 0 ≤ |
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CVE-2025-5449 (GCVE-0-2025-5449)
Vulnerability from cvelistv5
Published
2025-07-25 17:19
Modified
2025-11-20 21:12
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash, resulting in a denial of service.
References
Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Version: 0.11.0 ≤ 0.11.1 |
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CVE-2025-5318 (GCVE-0-2025-5318)
Vulnerability from cvelistv5
Published
2025-06-24 14:10
Modified
2025-11-27 17:38
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
A flaw was found in the libssh library in versions less than 0.11.2. An out-of-bounds read can be triggered in the sftp_handle function due to an incorrect comparison check that permits the function to access memory beyond the valid handle list and to return an invalid pointer, which is used in further processing. This vulnerability allows an authenticated remote attacker to potentially read unintended memory regions, exposing sensitive information or affect service behavior.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Version: 0 ≤ |
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{
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{
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{
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{
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{
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],
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},
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{
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"title": "Libssh: out-of-bounds read in sftp_handle()",
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"value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."
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"dateReserved": "2025-05-29T07:01:42.703Z",
"dateUpdated": "2025-11-27T17:38:13.361Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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