PT-2025-45164 · Amazon · Amazon Workspaces Client For Linux

Visionlink · Published 2025-11-05 · Updated 2025-12-14 · CVE-2025-12779

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Amazon WorkSpaces client for Linux versions 2023.0 through 2024.8

Description A flaw in the handling of the authentication token within the Amazon WorkSpaces client for Linux may allow exposure of the authentication token for DCV-based WorkSpaces to other local users on the same client machine. A local user may be able to extract another local user's authentication token and access their WorkSpace under certain circumstances.

Recommendations Upgrade to Amazon WorkSpaces client for Linux version 2025.0 or later.

Fix

Weakness Enumeration

CWE-497

Related Identifiers

CVE-2025-12779

Affected Products

Amazon Workspaces Client For Linux

References · 10

• https://docs.aws.amazon.com/workspaces/latest/userguide/amazon-workspaces-linux-client.html#linux-release-notes · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-12779 · Security Note
• https://aws.amazon.com/security/security-bulletins/AWS-2025-025 · Vendor Advisory
• https://twitter.com/HackersCuriosos/status/1986684641315635630 · Twitter Post
• https://t.me/pentestingnews/70664 · Telegram Post
• https://twitter.com/hashlytics/status/1986738093173403725 · Twitter Post
• https://t.me/pentestingnews/70689 · Telegram Post
• https://t.me/CVEtracker/36651 · Telegram Post
• https://twitter.com/Komodosec/status/2000234978744168498 · Twitter Post
• https://twitter.com/Karma_X_Inc/status/1987187366977470569 · Twitter Post