cve-2020-15707
Vulnerability from cvelistv5
Published
2020-07-29 17:45
Modified
2024-09-17 03:07
Severity ?
5.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
Summary
GRUB2 contained integer overflows when handling the initrd command, leading to a heap-based buffer overflow.
References
security@ubuntu.comhttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.htmlMailing List, Third Party Advisory
security@ubuntu.comhttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.htmlMailing List, Third Party Advisory
security@ubuntu.comhttp://ubuntu.com/security/notices/USN-4432-1Third Party Advisory
security@ubuntu.comhttp://www.openwall.com/lists/oss-security/2020/07/29/3Mailing List, Third Party Advisory
security@ubuntu.comhttps://access.redhat.com/security/vulnerabilities/grub2bootloaderThird Party Advisory
security@ubuntu.comhttps://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.htmlIssue Tracking, Vendor Advisory
security@ubuntu.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011Patch, Third Party Advisory, Vendor Advisory
security@ubuntu.comhttps://security.gentoo.org/glsa/202104-05Third Party Advisory
security@ubuntu.comhttps://security.netapp.com/advisory/ntap-20200731-0008/Third Party Advisory
security@ubuntu.comhttps://usn.ubuntu.com/4432-1/Third Party Advisory
security@ubuntu.comhttps://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypassThird Party Advisory
security@ubuntu.comhttps://www.debian.org/security/2020-GRUB-UEFI-SecureBootThird Party Advisory
security@ubuntu.comhttps://www.debian.org/security/2020/dsa-4735Third Party Advisory
security@ubuntu.comhttps://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/Exploit, Third Party Advisory
security@ubuntu.comhttps://www.openwall.com/lists/oss-security/2020/07/29/3Mailing List, Third Party Advisory
security@ubuntu.comhttps://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/Third Party Advisory
security@ubuntu.comhttps://www.suse.com/support/kb/doc/?id=000019673Third Party Advisory
Impacted products
Ubuntugrub2 in Ubuntu
Show details on NVD website

To clipboard 

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This issue affects GRUB2 version 2.04 and prior versions.\"},{\"lang\":\"es\",\"value\":\"Se detectaron desbordamientos de enteros en las funciones grub_cmd_initrd y grub_initrd_init en el componente efilinux de GRUB2, como se incluye en Debian, Red Hat y Ubuntu (la funcionalidad no est\u00e1 incluida aguas arriba de GRUB2), conllevando a un desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria. Estos podr\u00edan ser activados por una gran cantidad de argumentos para el comando initrd en arquitecturas de 32 bits, o un sistema de archivos dise\u00f1ado con archivos muy grandes en cualquier arquitectura. Un atacante podr\u00eda usar esto para ejecutar c\u00f3digo arbitrario y omitir las restricciones UEFI Secure Boot. Este problema afecta a GRUB2 versiones 2.04 y versiones anteriores\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.4,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":0.5,\"impactScore\":5.9},{\"source\":\"security@ubuntu.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.7,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":0.5,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:P/I:P/A:P\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":4.4},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.4,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-190\"},{\"lang\":\"en\",\"value\":\"CWE-362\"}]},{\"source\":\"security@ubuntu.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.04\",\"matchCriteriaId\":\"FC3627EF-FE69-44D7-96D5-E40FF30ED38B\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:enterprise_linux_atomic_host:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AF483911-003B-470B-A12B-85EF34A50469\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"932D137F-528B-4526-9A89-CD59FA1AB0FE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"142AD0DD-4CF3-4D74-9442-459CE3347E3A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F4CFF558-3C47-480D-A2F0-BABF26042943\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"21540673-614A-4D40-8BD7-3F07723803B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"83B14968-3985-43C3-ACE5-8307196EFAE3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7CB85C75-4D35-480E-843D-60579EC75FCB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6B8F3DD2-A145-4AF1-8545-CC42892DA3D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3FB5CDAE-C713-4D9D-9D6A-2C2E8924A4BB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E9273B95-20ED-4547-B0A8-95AD15B30372\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AAE74AF3-C559-4645-A6C0-25C3D647AAC8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E93068DB-549B-45AB-8E5C-00EB5D8B5CF8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C6CE5198-C498-4672-AF4C-77AB4BE06C5C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A7DF96F8-BA6A-4780-9CA3-F719B3F81074\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB18C4CE-5917-401E-ACF7-2747084FD36E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5B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List\",\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://ubuntu.com/security/notices/USN-4432-1\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2020/07/29/3\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/security/vulnerabilities/grub2bootloader\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Patch\",\"Third Party Advisory\",\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202104-05\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20200731-0008/\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4432-1/\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2020/dsa-4735\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://www.openwall.com/lists/oss-security/2020/07/29/3\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.suse.com/support/kb/doc/?id=000019673\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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