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Medium severity · published Apr 7, 2023
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…
5.3
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Enterprise Server · Github
before 3.4.18; 3.5.0 before 3.5.15; 3.6.0 before 3.6.11; 3.7.0 before 3.7.8; 3.8.0 · source: NVD
Affected product
ES
Enterprise Server
Github
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-23761
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-23761
Release Notes
https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18
Release Notes
https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15
Release Notes
https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11
Release Notes
https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8
Release Notes
https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1
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