CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AI Score
Confidence
High
EPSS
Percentile
64.8%
Issue Overview:
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. (CVE-2021-3622)
Affected Packages:
hivex
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update hivex to update your system.
New Packages:
aarch64:
hivex-1.3.10-6.12.amzn2.aarch64
hivex-devel-1.3.10-6.12.amzn2.aarch64
ocaml-hivex-1.3.10-6.12.amzn2.aarch64
ocaml-hivex-devel-1.3.10-6.12.amzn2.aarch64
perl-hivex-1.3.10-6.12.amzn2.aarch64
python-hivex-1.3.10-6.12.amzn2.aarch64
ruby-hivex-1.3.10-6.12.amzn2.aarch64
hivex-debuginfo-1.3.10-6.12.amzn2.aarch64
i686:
hivex-1.3.10-6.12.amzn2.i686
hivex-devel-1.3.10-6.12.amzn2.i686
ocaml-hivex-1.3.10-6.12.amzn2.i686
ocaml-hivex-devel-1.3.10-6.12.amzn2.i686
perl-hivex-1.3.10-6.12.amzn2.i686
python-hivex-1.3.10-6.12.amzn2.i686
ruby-hivex-1.3.10-6.12.amzn2.i686
hivex-debuginfo-1.3.10-6.12.amzn2.i686
src:
hivex-1.3.10-6.12.amzn2.src
x86_64:
hivex-1.3.10-6.12.amzn2.x86_64
hivex-devel-1.3.10-6.12.amzn2.x86_64
ocaml-hivex-1.3.10-6.12.amzn2.x86_64
ocaml-hivex-devel-1.3.10-6.12.amzn2.x86_64
perl-hivex-1.3.10-6.12.amzn2.x86_64
python-hivex-1.3.10-6.12.amzn2.x86_64
ruby-hivex-1.3.10-6.12.amzn2.x86_64
hivex-debuginfo-1.3.10-6.12.amzn2.x86_64
Red Hat: CVE-2021-3622
Mitre: CVE-2021-3622
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | hivex | < 1.3.10-6.12.amzn2 | hivex-1.3.10-6.12.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | hivex-devel | < 1.3.10-6.12.amzn2 | hivex-devel-1.3.10-6.12.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | ocaml-hivex | < 1.3.10-6.12.amzn2 | ocaml-hivex-1.3.10-6.12.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | ocaml-hivex-devel | < 1.3.10-6.12.amzn2 | ocaml-hivex-devel-1.3.10-6.12.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | perl-hivex | < 1.3.10-6.12.amzn2 | perl-hivex-1.3.10-6.12.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | python-hivex | < 1.3.10-6.12.amzn2 | python-hivex-1.3.10-6.12.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | ruby-hivex | < 1.3.10-6.12.amzn2 | ruby-hivex-1.3.10-6.12.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | hivex-debuginfo | < 1.3.10-6.12.amzn2 | hivex-debuginfo-1.3.10-6.12.amzn2.aarch64.rpm |
Amazon Linux | 2 | i686 | hivex | < 1.3.10-6.12.amzn2 | hivex-1.3.10-6.12.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | hivex-devel | < 1.3.10-6.12.amzn2 | hivex-devel-1.3.10-6.12.amzn2.i686.rpm |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AI Score
Confidence
High
EPSS
Percentile
64.8%