CVE-2024-9487: github enterprise_server

Vulnerability summary

CVE-2024-9487 is a critical (CVSS 9.5) vulnerability in github enterprise_server. EPSS estimates a 25.61% chance of exploitation in the next 30 days, higher than 97.9% of scored vulnerabilities.

Timeline

1. 10-10-2024
   PublishedVulnerability first disclosed.
2. 11-10-2024
   Last modifiedVulnerability information updated.

Description

An improper verification of cryptographic signature vulnerability was identified in GitHub Enterprise Server that allowed SAML SSO authentication to be bypassed resulting in unauthorized provisioning of users and access to the instance. Exploitation required the encrypted assertions feature to be enabled, and the attacker would require direct network access as well as a signed SAML response or metadata document. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.15 and was fixed in versions 3.11.16, 3.12.10, 3.13.5, and 3.14.2. This vulnerability was reported via the GitHub Bug Bounty program.

• CWE-347Improper Verification of Cryptographic SignatureThe product does not verify, or incorrectly verifies, the cryptographic signature for data.