fkie_cve-2015-3146
Vulnerability from fkie_nvd
Published
2016-04-13 17:59
Modified
2025-04-12 10:46
Severity ?
Summary
The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libssh | libssh | * | |
| canonical | ubuntu_linux | 12.04 | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 15.10 | |
| debian | debian_linux | 7.0 | |
| debian | debian_linux | 8.0 | |
| fedoraproject | fedora | 21 | |
| fedoraproject | fedora | 22 |
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"value": "The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet."
},
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"value": "Los manejadores de paquete (1) SSH_MSG_NEWKEYS y (2) SSH_MSG_KEXDH_REPLY en package_cb.c en libssh en versiones anteriores a 0.6.5 no valida correctamente el estado, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (referencia a puntero NULL y ca\u00edda) a trav\u00e9s de un paquete SSH manipulado."
}
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"evaluatorComment": "\u003ca href=\"http://cwe.mitre.org/data/definitions/476.html\"\u003eCWE-476: NULL Pointer Dereference\u003c/a\u003e",
"id": "CVE-2015-3146",
"lastModified": "2025-04-12T10:46:40.837",
"metrics": {
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"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
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"published": "2016-04-13T17:59:03.100",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html"
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"source": "secalert@redhat.com",
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"weaknesses": [
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],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
- 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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