PT-2023-32788 · Github · Github Enterprise Server

Ahacker1 · Published 2023-12-21 · Updated 2023-12-29 · CVE-2023-6847

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions 3.9 through 3.9.6 GitHub Enterprise Server versions 3.10 through 3.10.3 GitHub Enterprise Server versions 3.11 through 3.11.0

Description An improper authentication issue was identified in GitHub Enterprise Server, allowing a bypass of Private Mode using a specially crafted API request. To exploit this, an attacker would need network access to the Enterprise Server appliance configured in Private Mode. The issue was reported via the GitHub Bug Bounty program.

Recommendations For GitHub Enterprise Server versions 3.9 through 3.9.6, update to version 3.9.7 to resolve the issue. For GitHub Enterprise Server versions 3.10 through 3.10.3, update to version 3.10.4 to resolve the issue. For GitHub Enterprise Server versions 3.11 through 3.11.0, update to version 3.11.1 to resolve the issue.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2023-6847

Affected Products

Github Enterprise Server

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2023-6847 · Security Note
• https://osv.dev/vulnerability/CVE-2023-6847 · Vendor Advisory
• https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1 · Note
• https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7 · Note
• https://t.me/cvenotify/65740 · Telegram Post
• https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4 · Note
• https://twitter.com/RedPacketSec/status/1739950237479735339 · Twitter Post