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CVE-2021-3622

Date: December 23, 2021

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.

Severity Score

Related Resources (11)

https://security-tracker.debian.org/tracker/CVE-2021-3622
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/USD4OEV6L3RPHE32V2MJ4JPFBODINWSU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S35TVTAPHORSUIFYNFBHKLQRPVFUPXBE/
https://github.com/libguestfs/hivex/commit/771728218dac2fbf6997a7e53225e75a4c6b7255
https://listman.redhat.com/archives/libguestfs/2021-August/msg00002.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/USD4OEV6L3RPHE32V2MJ4JPFBODINWSU/
https://bugzilla.redhat.com/show_bug.cgi?id=1975489
https://nvd.nist.gov/vuln/detail/CVE-2021-3622
https://access.redhat.com/security/cve/CVE-2021-3622
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S35TVTAPHORSUIFYNFBHKLQRPVFUPXBE/
https://www.mend.io/vulnerability-database/CVE-2021-3622

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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