{ "id": "CVE-2020-25643", "sourceIdentifier": "secalert@redhat.com", "published": "2020-10-06T14:15:12.683", "lastModified": "2023-05-16T10:48:49.033", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability." }, { "lang": "es", "value": "Se encontr\u00f3 un fallo de corrupci\u00f3n de la memoria en el kernel de Linux en versiones anteriores a 5.9-rc7, en el m\u00f3dulo HDLC_PPP en la manera en que recibe paquetes malformados por el protocolo PPP. Un usuario remoto podr\u00eda usar este fallo para bloquear el sistema o causar una denegaci\u00f3n de servicio" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.2, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": 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"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1879981", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d42ed8b25b64eb63111a2b8582c5afc8bf1105", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20201103-0002/", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2020/dsa-4774", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.starwindsoftware.com/security/sw-20210325-0002/", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] } ] }