Medium severity · published Nov 1, 2022
CVE-2022-23738
Incomplete cache verification issue in GitHub Enterprise Server leading to exposure of private repo files
5.7
CVSS
0.7%
EPSS
No
On KEV
Description
An improper cache key vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to access private repository files through a public repository. To exploit this, an actor would need to already be authorized on the GitHub Enterprise Server instance, be able to create a public repository, and have a site administrator visit a specially crafted URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.6 and was fixed in versions 3.2.20, 3.3.15, 3.4.10, 3.5.7, 3.6.3. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GE
GitHub Enterprise Server · GitHub
3.2 before 3.2.20; 3.3 before 3.3.15; 3.4 before 3.4.10; 3.5 before 3.5.7; 3.6 before 3.6.3 · source: vendor
ES
Enterprise Server · Github
3.2.0 before 3.2.20; 3.3.0 before 3.3.15; 3.4.0 before 3.4.10; 3.5.0 before 3.5.7; 3.6.0 before 3.6.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-23738
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-23738
docs.github.com
https://docs.github.com/en/enterprise-server%403.2/admin/release-notes#3.2.20
docs.github.com
https://docs.github.com/en/enterprise-server%403.3/admin/release-notes#3.3.15
docs.github.com
https://docs.github.com/en/enterprise-server%403.4/admin/release-notes#3.4.10
docs.github.com
https://docs.github.com/en/enterprise-server%403.5/admin/release-notes#3.5.7
docs.github.com
https://docs.github.com/en/enterprise-server%403.6/admin/release-notes#3.6.3
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