CVE-2021-20225

Summary

CVECVE-2021-20225
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-03 17:15:00 UTC
Updated2023-11-07 03:29:00 UTC
DescriptionA flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Operating System Fedoraproject Fedora 33 All All All
Application Gnu Grub2 All All All All
Application Gnu Grub2 All All All All
Application Netapp Ontap Select Deploy Administration Utility - All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux Server Aus 7.2 All All All
Operating System Redhat Enterprise Linux Server Aus 7.3 All All All
Operating System Redhat Enterprise Linux Server Aus 7.4 All All All
Operating System Redhat Enterprise Linux Server Aus 7.6 All All All
Operating System Redhat Enterprise Linux Server Aus 7.7 All All All
Operating System Redhat Enterprise Linux Server Aus 8.2 All All All
Operating System Redhat Enterprise Linux Server Aus 7.2 All All All
Operating System Redhat Enterprise Linux Server Aus 7.3 All All All
Operating System Redhat Enterprise Linux Server Aus 7.4 All All All
Operating System Redhat Enterprise Linux Server Aus 7.6 All All All
Operating System Redhat Enterprise Linux Server Aus 7.7 All All All
Operating System Redhat Enterprise Linux Server Aus 8.2 All All All
Operating System Redhat Enterprise Linux Server Eus 7.6 All All All
Operating System Redhat Enterprise Linux Server Eus 7.7 All All All
Operating System Redhat Enterprise Linux Server Eus 8.1 All All All
Operating System Redhat Enterprise Linux Server Eus 7.6 All All All
Operating System Redhat Enterprise Linux Server Eus 7.7 All All All
Operating System Redhat Enterprise Linux Server Eus 8.1 All All All
Operating System Redhat Enterprise Linux Server Tus 7.4 All All All
Operating System Redhat Enterprise Linux Server Tus 7.6 All All All
Operating System Redhat Enterprise Linux Server Tus 7.7 All All All
Operating System Redhat Enterprise Linux Server Tus 8.2 All All All
Operating System Redhat Enterprise Linux Server Tus 7.4 All All All
Operating System Redhat Enterprise Linux Server Tus 7.6 All All All
Operating System Redhat Enterprise Linux Server Tus 7.7 All All All
Operating System Redhat Enterprise Linux Server Tus 8.2 All All All
Operating System Redhat Enterprise Linux Workstation 7.0 All All All
Operating System Redhat Enterprise Linux Workstation 7.0 All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 34 Update: shim-15.4-4 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 34 Update: shim-15.4-4 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
1924696 – (CVE-2021-20225) CVE-2021-20225 grub2: Heap out-of-bounds write in short form option parser MISC bugzilla.redhat.com Issue Tracking, Third Party Advisory
GRUB: Multiple vulnerabilities (GLSA 202104-05) — Gentoo security GENTOO security.gentoo.org
March 2021 Grub2 Vulnerabilities in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 178614 Debian Security Update for grub2 (DSA 4867-1)
  • 178629 Debian Security Update for grub2 (DSA 4867-1)
  • 179693 Debian Security Update for grub2 (CVE-2021-20225)
  • 198410 Ubuntu Security Notification for GRUB 2 vulnerabilities (USN-4992-1)
  • 239315 Red Hat Update for shim (RHSA-2021:1734)
  • 239469 Red Hat Update for fwupd (RHSA-2021:2566)
  • 239494 Red Hat Update for shim and fwupd (RHSA-2021:2790)
  • 239657 Red Hat Update for shim and fwupd (RHSA-2021:3675)
  • 281363 Fedora Security Update for efi (FEDORA-2021-cab258a413)
  • 352490 Amazon Linux Security Advisory for grub2: ALAS2-2021-1684
  • 377367 Alibaba Cloud Linux Security Update for grub2 (ALINUX3-SA-2021:0026)
  • 377414 Alibaba Cloud Linux Security Update for fwupd (ALINUX3-SA-2021:0048)
  • 377548 Alibaba Cloud Linux Security Update for grub2 (ALINUX2-SA-2021:0020)
  • 502730 Alpine Linux Security Update for grub
  • 670282 EulerOS Security Update for grub2 (EulerOS-SA-2021-1794)
  • 670324 EulerOS Security Update for grub2 (EulerOS-SA-2021-1900)
  • 670349 EulerOS Security Update for grub2 (EulerOS-SA-2021-1875)
  • 670376 EulerOS Security Update for grub2 (EulerOS-SA-2021-1948)
  • 670398 EulerOS Security Update for grub2 (EulerOS-SA-2021-1927)
  • 670618 EulerOS Security Update for grub2 (EulerOS-SA-2021-2376)
  • 670931 EulerOS Security Update for grub2 (EulerOS-SA-2021-1875)
  • 710015 Gentoo Linux GRUB Multiple Vulnerabilities (GLSA 202104-05)
  • 730228 McAfee Web Gateway Multiple Vulnerabilities (WP-3445, WP-3483, WP-3527, WP-3528, WP-3547, WP-3584,WP-3589,WP-3611)
  • 750300 OpenSUSE Security Update for grub2 (openSUSE-SU-2021:0462-1)
  • 900055 CBL-Mariner Linux Security Update for grub2 2.06~rc1
  • 901747 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (6465-1)
  • 903289 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (3934)
  • 906216 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (3934-1)
  • 906321 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (6465-2)
  • 940046 AlmaLinux Security Update for fwupd (ALSA-2021:2566)
  • 940314 AlmaLinux Security Update for shim (ALSA-2021:1734)
  • 940320 AlmaLinux Security Update for grub2 (ALSA-2021:0696)
  • 960461 Rocky Linux Security Update for shim (RLSA-2021:1734)
  • 960826 Rocky Linux Security Update for fwupd (RLSA-2021:2566)
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