CVE-2023-23761

medium

Description

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.

References

https://docs.github.com/en/[email protected]/admin/release-notes#3.8.1

https://docs.github.com/en/[email protected]/admin/release-notes#3.7.8

https://docs.github.com/en/[email protected]/admin/release-notes#3.6.11

https://docs.github.com/en/[email protected]/admin/release-notes#3.5.15

https://docs.github.com/en/[email protected]/admin/release-notes#3.4.18

Details

Source: Mitre, NVD

Published: 2023-04-07

Updated: 2023-04-18

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:N/AC:H/Au:S/C:N/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Severity: Medium