CVE-2025-8904 – Amazon EMR Kerberos Keytab File Disclosure

The following table lists the changes that have been made to the
CVE-2025-8904 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by ff89ba41-3aa1-4d27-914a-91399e9639e5

    Aug. 13, 2025

    Action Type Old Value New Value
    Added Description Amazon EMR Secret Agent creates a keytab file containing Kerberos credentials. This file is stored in the /tmp/ directory. A user with access to this directory and another account can potentially decrypt the keys and escalate to higher privileges.

    Users are advised to upgrade to Amazon EMR version 7.5 or higher. For Amazon EMR releases between 6.10 and 7.4, we strongly recommend that you run the bootstrap script and RPM files with the fix provided in the location below.

    Added CVSS V4.0 AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-257
    Added Reference https://aws.amazon.com/security/security-bulletins/AWS-2025-017/
    Added Reference https://docs.aws.amazon.com/emr/latest/ReleaseGuide/emr-release-app-versions-7.x.html
Share the Post:

Related Posts