Vulnerability Report

CVE-2023-23761

Title: Github Enterprise Server Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2023-23761.

CWE Category CWE-287
Published Date Apr 07, 2023
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.7 CVSS v3.1
Exploit Probability (EPSS)
0.46%

Vulnerability Summary

CVE-2023-23761: An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to modify other users' secret gists by authenticating through an SSH certificate authority. To do so, a user had to know the secret gist's URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.

Impacted Vendors

B
blackberry 1
M
microfocus 1
G
github 1

Reference Links

https://docs.github.com/en/[email protected]/admin/release-notes#3.4.18 https://docs.github.com/en/[email protected]/admin/release-notes#3.5.15 https://docs.github.com/en/[email protected]/admin/release-notes#3.6.11 https://docs.github.com/en/[email protected]/admin/release-notes#3.7.8 https://docs.github.com/en/[email protected]/admin/release-notes#3.8.1 https://docs.github.com/en/[email protected]/admin/release-notes#3.4.18 https://docs.github.com/en/[email protected]/admin/release-notes#3.5.15 https://docs.github.com/en/[email protected]/admin/release-notes#3.6.11 https://docs.github.com/en/[email protected]/admin/release-notes#3.7.8 https://docs.github.com/en/[email protected]/admin/release-notes#3.8.1
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.7
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.3
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-23761 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N

Affected Stack

No specific products linked.