Bypass of Signing Checks in Sparkle Update Framework
CVE-2025-0509

6.8MEDIUM

Key Information:

Vendor

Sparkle-project

Status
Sparkle
Vendor
CVE Published:
4 February 2025

What is CVE-2025-0509?

A security flaw in the Sparkle update framework prior to version 2.64 allows an attacker to substitute a legitimate signed update with a malicious payload. This vulnerability undermines the integrity of software updates by bypassing Sparkle’s (Ed)DSA signing mechanisms, potentially leading to unauthorized code execution.

Affected Version(s)

Sparkle MacOS 0 < 2.6.4

References

https://github.com/sparkle-project/Sparkle/pull/2550
https://sparkle-project.org/documentation/security-and-re...

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.