AZL-6462
Dashboard / Vulnerabilities / AZL-6462
Summary: CVE-2020-25647 affecting package grub2 for versions less than 2.06~rc1-7
Details: A flaw was found in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read with very little bounds checking and assumes the USB device is providing sane values. If properly exploited, an attacker could trigger memory corruption leading to arbitrary code execution allowing a bypass of the Secure Boot mechanism. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
References: https://nvd.nist.gov/vuln/detail/CVE-2020-25647
Affected packages
Package
Name: grub2
Purl: pkg:rpm/azure-linux/grub2
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -2.06~rc1-7
Affected versions
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
