SB2025121803 - Spoofing attack in AWS SDK for PHP



SB2025121803 - Spoofing attack in AWS SDK for PHP

Published: December 18, 2025

Security Bulletin ID SB2025121803
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Spoofing attack (CVE-ID: CVE-2025-14761)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to a single ciphertext can be decrypted into 2 different plaintexts by using different encryption keys. A remote user with permission to upload a new instruction file to the S3 bucket to replace the existing instruction file can create a rouge EDK key and force the application to use it in any future attempts to decrypt the underlying encrypted message with the S3EC.


Remediation

Install update from vendor's website.