Product:
GitHub
Summary
Improper verification of cryptographic signature in GitHub allows an unauthorized attacker to perform spoofing over an adjacent network. This vulnerability can lead to significant security risks, particularly in environments where network access is shared. Attackers can exploit this flaw to impersonate legitimate users or services.
Details
| Severity | Base Score | CVE |
|---|---|---|
| MEDIUM | 5.3 | CVE-2025-59288 |
Exploitation
To exploit this vulnerability, an attacker must be on the same adjacent network as the target. By sending specially crafted requests that bypass the cryptographic signature verification, the attacker can spoof legitimate communications. This requires a high level of technical skill and access to the network, making it a targeted attack rather than a widespread threat.
Affected Products
- GitHub: A platform for version control and collaboration that allows developers to work together on projects.
Mitigation
To mitigate this vulnerability, users should ensure that they are using the latest version of GitHub and apply any security patches provided by Microsoft. Additionally, implementing network segmentation and monitoring for unusual activity can help reduce the risk of exploitation.