AmazonALAS2-2023-2168Medium: keepalived
5.4 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
5.8 Medium
AI Score
Confidence
High
5.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
46.4%
Issue Overview:
A flaw was found in keepalived, where an improper authentication vulnerability allows an unprivileged user to change properties that could lead to an access-control bypass. (CVE-2021-44225)
Affected Packages:
keepalived
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 keepalived to update your system.
New Packages:
aarch64:
keepalived-1.3.5-16.amzn2.0.4.aarch64
keepalived-debuginfo-1.3.5-16.amzn2.0.4.aarch64
i686:
keepalived-1.3.5-16.amzn2.0.4.i686
keepalived-debuginfo-1.3.5-16.amzn2.0.4.i686
src:
keepalived-1.3.5-16.amzn2.0.4.src
x86_64:
keepalived-1.3.5-16.amzn2.0.4.x86_64
keepalived-debuginfo-1.3.5-16.amzn2.0.4.x86_64
Additional References
Red Hat: CVE-2021-44225
Mitre: CVE-2021-44225
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Amazon Linux | 2 | aarch64 | keepalived | < 1.3.5-16.amzn2.0.4 | keepalived-1.3.5-16.amzn2.0.4.aarch64.rpm |
| Amazon Linux | 2 | aarch64 | keepalived-debuginfo | < 1.3.5-16.amzn2.0.4 | keepalived-debuginfo-1.3.5-16.amzn2.0.4.aarch64.rpm |
| Amazon Linux | 2 | i686 | keepalived | < 1.3.5-16.amzn2.0.4 | keepalived-1.3.5-16.amzn2.0.4.i686.rpm |
| Amazon Linux | 2 | i686 | keepalived-debuginfo | < 1.3.5-16.amzn2.0.4 | keepalived-debuginfo-1.3.5-16.amzn2.0.4.i686.rpm |
| Amazon Linux | 2 | x86_64 | keepalived | < 1.3.5-16.amzn2.0.4 | keepalived-1.3.5-16.amzn2.0.4.x86_64.rpm |
| Amazon Linux | 2 | x86_64 | keepalived-debuginfo | < 1.3.5-16.amzn2.0.4 | keepalived-debuginfo-1.3.5-16.amzn2.0.4.x86_64.rpm |
Related
5.4 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
5.8 Medium
AI Score
Confidence
High
5.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
46.4%