CVE-2020-14315 - Vulnerability Details - OpenCVE

A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Daemonology	Bsdiff

Configuration 1 [-]

cpe:2.3:a:daemonology:bsdiff:4.3:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://bugzilla.redhat.com/show_bug.cgi?id=1856747
https://www.openwall.com/lists/oss-security/2020/07/09/2
https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/

History

No history.

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2020-09-16T13:31:19

Updated: 2024-08-04T12:39:36.226Z

Reserved: 2020-06-17T00:00:00

Link: CVE-2020-14315

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-09-16T14:15:12.797

Modified: 2024-11-21T05:02:59.487

Link: CVE-2020-14315

Redhat

No data.

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:daemonology:bsdiff:4.3:*:*:*:*:*:*:*", "matchCriteriaId": "5BE352CE-2DC3-4B29-94E4-58304441E9A2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A memory corruption vulnerability is present in bspatch as shipped in Colin Percival\u2019s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de corrupci\u00f3n de la memoria en bspatch como es entregado en las herramientas bsdiff de Colin Percival versi\u00f3n 4.3. Una comprobaci\u00f3n insuficiente cuando se manejan las entradas externas permiten a un atacante omitir las comprobaciones de sanidad en el lugar y escribir fuera de los l\u00edmites de un b\u00fafer asignado din\u00e1micamente"}], "id": "CVE-2020-14315", "lastModified": "2024-11-21T05:02:59.487", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-09-16T14:15:12.797", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1856747"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2020/07/09/2"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1856747"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2020/07/09/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}