A flaw was found in the hivex library. This flaw allows an attacker to input a specially crafted Windows Registry (hive) file, which would cause hivex to recursively call the _get_children() function, leading to a stack overflow. The highest threat from this vulnerability is to system availability.
https://bugzilla.redhat.com/show_bug.cgi?id=1975489
https://github.com/libguestfs/hivex/commit/771728218dac2fbf6997a7e53225e75a4c6b7255
https://listman.redhat.com/archives/libguestfs/2021-August/msg00002.html
Source: MITRE
Published: 2021-12-23
Updated: 2022-01-10
Type: CWE-400
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 4.3
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Impact Score: 1.4
Exploitability Score: 2.8
Severity: MEDIUM