Detections
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Amazon Linux 2 : jetty (ALAS-2025-2855)

low Nessus Plugin ID 235888

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-2855 advisory.

 For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, if an exception is thrown from the SessionListener#sessionDestroyed() method, then the session ID is not invalidated in the session ID manager. On deployments with clustered sessions and multiple contexts this can result in a session not being invalidated. This can result in an application used on a shared computer being left logged in.
 (CVE-2021-34428)

Tenable has extracted the preceding description block directly from the tested product security advisory.

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

Solution

Run 'yum update jetty' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2025-2855.html

https://alas.aws.amazon.com/cve/html/CVE-2021-34428.html

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

Plugin Details

Severity: Low

ID: 235888

File Name: al2_ALAS-2025-2855.nasl

Version: 1.1

Type: local

Agent: unix

Published: 5/13/2025

Updated: 5/13/2025

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.3

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

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

CVSS Score Source: CVE-2021-34428

CVSS v3

Risk Factor: Low

Base Score: 3.5

Temporal Score: 3.1

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:jetty-websocket-api, p-cpe:/a:amazon:linux:jetty-io, p-cpe:/a:amazon:linux:jetty-rewrite, p-cpe:/a:amazon:linux:jetty-util, p-cpe:/a:amazon:linux:jetty-servlet, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:jetty-jndi, p-cpe:/a:amazon:linux:jetty-util-ajax, p-cpe:/a:amazon:linux:jetty-jspc-maven-plugin, p-cpe:/a:amazon:linux:jetty-monitor, p-cpe:/a:amazon:linux:jetty-maven-plugin, p-cpe:/a:amazon:linux:jetty-jmx, p-cpe:/a:amazon:linux:jetty-runner, p-cpe:/a:amazon:linux:jetty-client, p-cpe:/a:amazon:linux:jetty-server, p-cpe:/a:amazon:linux:jetty-xml, p-cpe:/a:amazon:linux:jetty-websocket-common, p-cpe:/a:amazon:linux:jetty-websocket-servlet, p-cpe:/a:amazon:linux:jetty-ant, p-cpe:/a:amazon:linux:jetty-security, p-cpe:/a:amazon:linux:jetty-deploy, p-cpe:/a:amazon:linux:jetty-proxy, p-cpe:/a:amazon:linux:jetty-javadoc, p-cpe:/a:amazon:linux:jetty-websocket-client, p-cpe:/a:amazon:linux:jetty-start, p-cpe:/a:amazon:linux:jetty-annotations, p-cpe:/a:amazon:linux:jetty-websocket-parent, p-cpe:/a:amazon:linux:jetty-plus, p-cpe:/a:amazon:linux:jetty-jaas, p-cpe:/a:amazon:linux:jetty-http, p-cpe:/a:amazon:linux:jetty-servlets, p-cpe:/a:amazon:linux:jetty-websocket-server, p-cpe:/a:amazon:linux:jetty-webapp, p-cpe:/a:amazon:linux:jetty-continuation, p-cpe:/a:amazon:linux:jetty-jsp, p-cpe:/a:amazon:linux:jetty-project, p-cpe:/a:amazon:linux:jetty-jaspi

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/13/2025

Vulnerability Publication Date: 6/22/2021

Reference Information

CVE: CVE-2021-34428