CVE-2020-14308

6.4MEDIUM

Key Information:

Vendor
Gnu
Status
Grub
Vendor
CVE Published:
29 July 2020

Summary

In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts during the boot process.

Affected Version(s)

Grub All grub2 versions before 2.06

References

https://bugzilla.redhat.com/show_bug.cgi?id=1852009
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/07/29/3
mailing-listx_refsource_MLIST
https://security.netapp.com/advisory/ntap-20200731-0008/
x_refsource_CONFIRM

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.