Detections
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Amazon Linux 2023 : krb5-devel, krb5-libs, krb5-pkinit (ALAS2023-2024-586)

high Nessus Plugin ID 193441

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Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2024-586 advisory.

 - Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c. (CVE-2024-26458)

 - Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c.
 (CVE-2024-26461)

 - Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c. (CVE-2024-26462)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Run 'dnf update krb5 --releasever 2023.4.20240416' to update your system.

See Also

https://alas.aws.amazon.com/AL2023/ALAS-2024-586.html

https://alas.aws.amazon.com/cve/html/CVE-2024-26458.html

https://alas.aws.amazon.com/cve/html/CVE-2024-26461.html

https://alas.aws.amazon.com/cve/html/CVE-2024-26462.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: High

ID: 193441

File Name: al2023_ALAS2023-2024-586.nasl

Version: 1.2

Type: local

Agent: unix

Published: 4/17/2024

Updated: 8/15/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2024-26462

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2024-26461

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:krb5-pkinit-debuginfo, p-cpe:/a:amazon:linux:libkadm5-debuginfo, p-cpe:/a:amazon:linux:krb5-pkinit, p-cpe:/a:amazon:linux:krb5-debugsource, p-cpe:/a:amazon:linux:krb5-devel, p-cpe:/a:amazon:linux:krb5-debuginfo, p-cpe:/a:amazon:linux:libkadm5, p-cpe:/a:amazon:linux:krb5-workstation, p-cpe:/a:amazon:linux:krb5-server-debuginfo, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:krb5-libs, p-cpe:/a:amazon:linux:krb5-server, p-cpe:/a:amazon:linux:krb5-server-ldap, p-cpe:/a:amazon:linux:krb5-workstation-debuginfo, p-cpe:/a:amazon:linux:krb5-server-ldap-debuginfo, p-cpe:/a:amazon:linux:krb5-libs-debuginfo

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 4/10/2024

Vulnerability Publication Date: 2/29/2024

Reference Information

CVE: CVE-2024-26458, CVE-2024-26461, CVE-2024-26462

IAVB: 2024-B-0082