CVE-2021-3504

CVE Details

Release Date:	2021-05-11
Impact:	None	What is this?

Description

A flaw was found in the hivex library in versions before 1.3.20. It is caused due to a lack of bounds check within the hivex_open function. An attacker could input a specially crafted Windows Registry (hive) file which would cause hivex to read memory beyond its normal bounds or cause the program to crash. The highest threat from this vulnerability is to system availability.

See more information about CVE-2021-3504 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.4
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	Low
Integrity Impact:	None
Availability Impact:	Low

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (hivex)	ELSA-2021-2318	2021-06-10
Oracle Linux version 8 (hivex)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (libguestfs)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (libguestfs-winsupport)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (libiscsi)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (libnbd)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (libvirt)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (libvirt-dbus)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (libvirt-python)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (nbdkit)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (netcf)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (perl-Sys-Virt)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (qemu-kvm)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (seabios)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (sgabios)	ELSA-2021-3061	2021-08-12
Oracle Linux version 8 (supermin)	ELSA-2021-3061	2021-08-12