Paper/Archive/CVE-2024-9487

CVE-2024-9487

GitHub Enterprise Server — An Improper Verification of Cryptographic Signature vulnerability was identified in GitHub Enterprise Server that allowed SAML SSO authentication to be bypassed when the encrypted assertions feature was enabled

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Enterprise Server3.11.0 – 3.11.15–CNA
Enterprise Server3.12.0 – 3.12.9–CNA
Enterprise Server3.13.0 – 3.13.4–CNA
Enterprise Server3.14.0 – 3.14.1–CNA
enterprise_server3.11.0 – 3.11.15–CISA-ADP
enterprise_server3.12.0 – 3.12.9–CISA-ADP
enterprise_server3.13.0 – 3.13.4–CISA-ADP
enterprise_server3.14.0 – 3.14.1–CISA-ADP

Scores by source

GitHub_P (CNA)9.5CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/R:U/V:C/RE:M/U:Red
NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refdocs.github.com/en/[email protected]/admin/release-notes#3.11.16refdocs.github.com/en/[email protected]/admin/release-notes#3.12.10refdocs.github.com/en/[email protected]/admin/release-notes#3.13.5refdocs.github.com/en/[email protected]/admin/release-notes#3.14.2