ID CVE-2021-3696
Summary A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader. This may lead to data corruption in the heap space. Confidentiality, Integrity and Availablity impact may be considered Low as it's very complex to an attacker control the encoding and positioning of corrupted Huffman entries to achieve results such as arbitrary code execution and/or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.
References
Vulnerable Configurations
  • cpe:2.3:a:gnu:grub:*:*:*:*:*:*:*:*
    cpe:2.3:a:gnu:grub:*:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openshift:3.0:*:*:*:*:*:*:*
    cpe:2.3:a:redhat:openshift:3.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:developer_tools:1.0:*:*:*:*:*:*:*
    cpe:2.3:a:redhat:developer_tools:1.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:8.1:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:8.1:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.2:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.2:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.4:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.4:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:8.4:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:8.4:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.0:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.0:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openshift_container_platform:4.6:*:*:*:*:*:*:*
    cpe:2.3:a:redhat:openshift_container_platform:4.6:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:*
    cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:*
    cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*
    cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
    cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
CVSS
Base: 6.9 (as of 28-10-2022 - 16:17)
Impact:
Exploitability:
CWE CWE-787
CAPEC
Access
VectorComplexityAuthentication
LOCAL MEDIUM NONE
Impact
ConfidentialityIntegrityAvailability
COMPLETE COMPLETE COMPLETE
cvss-vector via4 AV:L/AC:M/Au:N/C:C/I:C/A:C
Last major update 28-10-2022 - 16:17
Published 06-07-2022 - 16:15
Last modified 28-10-2022 - 16:17
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